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Ning J, Sala M, Reina J, Kalagiri R, Hunter T, McCullough BS. Histidine Phosphorylation: Protein Kinases and Phosphatases. Int J Mol Sci 2024; 25:7975. [PMID: 39063217 PMCID: PMC11277029 DOI: 10.3390/ijms25147975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/09/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Phosphohistidine (pHis) is a reversible protein post-translational modification (PTM) that is currently poorly understood. The P-N bond in pHis is heat and acid-sensitive, making it more challenging to study than the canonical phosphoamino acids pSer, pThr, and pTyr. As advancements in the development of tools to study pHis have been made, the roles of pHis in cells are slowly being revealed. To date, a handful of enzymes responsible for controlling this modification have been identified, including the histidine kinases NME1 and NME2, as well as the phosphohistidine phosphatases PHPT1, LHPP, and PGAM5. These tools have also identified the substrates of these enzymes, granting new insights into previously unknown regulatory mechanisms. Here, we discuss the cellular function of pHis and how it is regulated on known pHis-containing proteins, as well as cellular mechanisms that regulate the activity of the pHis kinases and phosphatases themselves. We further discuss the role of the pHis kinases and phosphatases as potential tumor promoters or suppressors. Finally, we give an overview of various tools and methods currently used to study pHis biology. Given their breadth of functions, unraveling the role of pHis in mammalian systems promises radical new insights into existing and unexplored areas of cell biology.
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Affiliation(s)
- Jia Ning
- Correspondence: (J.N.); (B.S.M.)
| | | | | | | | | | - Brandon S. McCullough
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA; (M.S.); (J.R.); (R.K.); (T.H.)
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2
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Gary CR, Acharige NPN, Oyewumi TO, Pflum MKH. Kinase-catalyzed Biotinylation for Discovery and Validation of Substrates to Multi-specificity Kinases NME1 and NME2. J Biol Chem 2024:107588. [PMID: 39032654 DOI: 10.1016/j.jbc.2024.107588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 06/28/2024] [Accepted: 07/01/2024] [Indexed: 07/23/2024] Open
Abstract
Protein phosphorylation by kinases regulates mammalian cell functions, such as growth, division, and signal transduction. Among human kinases, NME1 and NME2 are associated with metastatic tumor suppression, but remain understudied due to the lack of tools to monitor their cellular substrates. In particular, NME1 and NME2 are multi-specificity kinases phosphorylating serine, threonine, histidine, and aspartic acid residues of substrate proteins, and the heat and acid sensitivity of phosphohistidine and phosphoaspartate complicates substrate discovery and validation. To provide new substrate monitoring tools, we established the γ-phosphate modified ATP analog, ATP-biotin, as a cosubstrate for phosphorylbiotinylation of NME1 and NME2 cellular substrates. Building upon this ATP-biotin compatibility, the Kinase-catalyzed Biotinylation with Inactivated Lysates for Discovery of Substrates (K-BILDS) method enabled validation of a known substrate and the discovery of seven NME1 and three NME2 substrates. Given the paucity of methods to study kinase substrates, ATP-biotin and the K-BILDS method are valuable tools to characterize the roles of NME1 and NME2 in human cell biology.
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Affiliation(s)
- Chelsea R Gary
- Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, USA
| | | | | | - Mary Kay H Pflum
- Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, USA.
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3
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JIANG B, GAO B, WEI S, LIANG Z, ZHANG L, ZHANG Y. [Progress in enrichment methods for protein N-phosphorylation]. Se Pu 2024; 42:623-631. [PMID: 38966971 PMCID: PMC11224942 DOI: 10.3724/sp.j.1123.2024.04029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Indexed: 07/06/2024] Open
Abstract
Protein phosphorylation is one of the most common and important post-translational modifications that regulates almost all life processes. In particular, protein phosphorylation regulates the development of major diseases such as tumors, neurodegenerative diseases, and diabetes. For example, excessive phosphorylation of Tau protein can cause neurofibrillary tangles, leading to Alzheimer's disease. Therefore, large-scale methods for identifying protein phosphorylation must be developed. Rapid developmentin efficient enrichment methods and biological mass spectrometry technologies have enabled the large-scale identification of low-abundance protein O-phosphorylation modifications in, allowing for a more thorough study of their biological functions. The N-phosphorylation modifications that occur on the side-chain amino groups of histidine, arginine, and lysine have recently received increased attention. For example, the biological function of histidine phosphorylation in prokaryotes has been well studied; this type of modification regulates signal transduction and sugar metabolism. Two mammalian pHis kinases (NME1 and NME2) and three pHis phosphatases (PHPT1, LHPP, and PGAM5) have been successfully identified using various biological methods. N-Phosphorylation is involved in multiple biological processes, and its functions cannot be ignored. However, N-phosphorylation is unstable under acidic and thermal conditions owing to the poor chemical stability of the P-N bond. Unfortunately, the current O-phosphorylation enrichment method, which relies on acidic conditions, is unsuitable for N-phosphorylation enrichment, resulting in a serious lag in the large-scale identification of protein N-phosphorylation. The lack of enrichment methods has also seriously hindered studies on the biological functions of N-phosphorylation. Therefore, the development of efficient enrichment methods that target protein N-phosphorylation is an urgent undertaking. Research on N-phosphorylation proteome enrichment methods is limited, hindering functional research. Thus, summarizing such methods is necessary to promote further functional research. This article introduces the structural characteristics and reported biological functions of protein N-phosphorylation, reviews the protein N-phosphorylation modification enrichment methods developed over the past two decades, and analyzes the advantages and disadvantages of each method. In this study, both antibody-based and nonantibody-dependent methods are described in detail. Owing to the stability of the molecular structure of histidine, the antibody method is currently limited to histidine phosphorylation enrichment research. Future studies will focus on the development of new enrichment ligands. Moreover, research on ligands will promote studies on other nonconventional phosphorylation targets, such as two acyl-phosphates (pAsp, pGlu) and S-phosphate (pCys). In summary, this review provides a detailed analysis of the history and development directions of N-phosphorylation enrichment methods.
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Yuan M, Peng L, Huang D, Gavin A, Luan F, Tran J, Feng Z, Zhu X, Matteson J, Wilson IA, Nemazee D. Structural and mechanistic insights into disease-associated endolysosomal exonucleases PLD3 and PLD4. Structure 2024; 32:766-779.e7. [PMID: 38537643 PMCID: PMC11162324 DOI: 10.1016/j.str.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/12/2024] [Accepted: 02/29/2024] [Indexed: 04/09/2024]
Abstract
Endolysosomal exonucleases PLD3 and PLD4 (phospholipases D3 and D4) are associated with autoinflammatory and autoimmune diseases. We report structures of these enzymes, and the molecular basis of their catalysis. The structures reveal an intra-chain dimer topology forming a basic active site at the interface. Like other PLD superfamily members, PLD3 and PLD4 carry HxKxxxxD/E motifs and participate in phosphodiester-bond cleavage. The enzymes digest ssDNA and ssRNA in a 5'-to-3' manner and are blocked by 5'-phosphorylation. We captured structures in apo, intermediate, and product states and revealed a "link-and-release" two-step catalysis. We also unexpectedly demonstrated phosphatase activity via a covalent 3-phosphohistidine intermediate. PLD4 contains an extra hydrophobic clamp that stabilizes substrate and could affect oligonucleotide substrate preference and product release. Biochemical and structural analysis of disease-associated mutants of PLD3/4 demonstrated reduced enzyme activity or thermostability and the possible basis for disease association. Furthermore, these findings provide insight into therapeutic design.
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Affiliation(s)
- Meng Yuan
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
| | - Linghang Peng
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Deli Huang
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Amanda Gavin
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Fangkun Luan
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Jenny Tran
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ziqi Feng
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Xueyong Zhu
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Jeanne Matteson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ian A Wilson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
| | - David Nemazee
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA.
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Wang Y, Shu H, Qu Y, Jin X, Liu J, Peng W, Wang L, Hao M, Xia M, Zhao Z, Dong K, Di Y, Tian M, Hao F, Xia C, Zhang W, Ba X, Feng Y, Wei M. PKM2 functions as a histidine kinase to phosphorylate PGAM1 and increase glycolysis shunts in cancer. EMBO J 2024; 43:2368-2396. [PMID: 38750259 PMCID: PMC11183095 DOI: 10.1038/s44318-024-00110-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 03/24/2024] [Accepted: 03/27/2024] [Indexed: 06/19/2024] Open
Abstract
Phosphoglycerate mutase 1 (PGAM1) is a key node enzyme that diverts the metabolic reactions from glycolysis into its shunts to support macromolecule biosynthesis for rapid and sustainable cell proliferation. It is prevalent that PGAM1 activity is upregulated in various tumors; however, the underlying mechanism remains unclear. Here, we unveil that pyruvate kinase M2 (PKM2) moonlights as a histidine kinase in a phosphoenolpyruvate (PEP)-dependent manner to catalyze PGAM1 H11 phosphorylation, that is essential for PGAM1 activity. Moreover, monomeric and dimeric but not tetrameric PKM2 are efficient to phosphorylate and activate PGAM1. In response to epidermal growth factor signaling, Src-catalyzed PGAM1 Y119 phosphorylation is a prerequisite for PKM2 binding and the subsequent PGAM1 H11 phosphorylation, which constitutes a discrepancy between tumor and normal cells. A PGAM1-derived pY119-containing cell-permeable peptide or Y119 mutation disrupts the interaction of PGAM1 with PKM2 and PGAM1 H11 phosphorylation, dampening the glycolysis shunts and tumor growth. Together, these results identify a function of PKM2 as a histidine kinase, and illustrate the importance of enzyme crosstalk as a regulatory mode during metabolic reprogramming and tumorigenesis.
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Affiliation(s)
- Yang Wang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Hengyao Shu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Yanzhao Qu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Xin Jin
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Jia Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Wanting Peng
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Lihua Wang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Miao Hao
- Science Research Center, China-Japan Union Hospital of Jilin University, 126 Xiantai Street, 130033, Changchun, Jilin, China
| | - Mingjie Xia
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Zhexuan Zhao
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Kejian Dong
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Yao Di
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Miaomiao Tian
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Fengqi Hao
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Chaoyi Xia
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Wenxia Zhang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China
| | - Xueqing Ba
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China.
| | - Yunpeng Feng
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China.
| | - Min Wei
- Key Laboratory of Molecular Epigenetics of the Ministry of Education (MOE), Northeast Normal University, 5268 Renmin Street, 130024, Changchun, Jilin, China.
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Ferrucci V, Lomada S, Wieland T, Zollo M. PRUNE1 and NME/NDPK family proteins influence energy metabolism and signaling in cancer metastases. Cancer Metastasis Rev 2024; 43:755-775. [PMID: 38180572 PMCID: PMC11156750 DOI: 10.1007/s10555-023-10165-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/19/2023] [Indexed: 01/06/2024]
Abstract
We describe here the molecular basis of the complex formation of PRUNE1 with the tumor metastasis suppressors NME1 and NME2, two isoforms appertaining to the nucleoside diphosphate kinase (NDPK) enzyme family, and how this complex regulates signaling the immune system and energy metabolism, thereby shaping the tumor microenvironment (TME). Disrupting the interaction between NME1/2 and PRUNE1, as suggested, holds the potential to be an excellent therapeutic target for the treatment of cancer and the inhibition of metastasis dissemination. Furthermore, we postulate an interaction and regulation of the other Class I NME proteins, NME3 and NME4 proteins, with PRUNE1 and discuss potential functions. Class I NME1-4 proteins are NTP/NDP transphosphorylases required for balancing the intracellular pools of nucleotide diphosphates and triphosphates. They regulate different cellular functions by interacting with a large variety of other proteins, and in cancer and metastasis processes, they can exert pro- and anti-oncogenic properties depending on the cellular context. In this review, we therefore additionally discuss general aspects of class1 NME and PRUNE1 molecular structures as well as their posttranslational modifications and subcellular localization. The current knowledge on the contributions of PRUNE1 as well as NME proteins to signaling cascades is summarized with a special regard to cancer and metastasis.
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Affiliation(s)
- Veronica Ferrucci
- Department of Molecular Medicine and Medical Biotechnology, DMMBM, University of Naples, Federico II, Via Pansini 5, 80131, Naples, Italy
- CEINGE Biotecnologie Avanzate "Franco Salvatore", Via Gaetano Salvatore 486, 80145, Naples, Italy
| | - Santosh Lomada
- Experimental Pharmacology Mannheim, European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
- DZHK, German Center for Cardiovascular Research, Partner Site Heidelberg/Mannheim, 68167, Mannheim, Germany
| | - Thomas Wieland
- Experimental Pharmacology Mannheim, European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany.
- DZHK, German Center for Cardiovascular Research, Partner Site Heidelberg/Mannheim, 68167, Mannheim, Germany.
- Medical Faculty Mannheim, Ludolf Krehl-Str. 13-17, 68167, Mannheim, Germany.
| | - Massimo Zollo
- Department of Molecular Medicine and Medical Biotechnology, DMMBM, University of Naples, Federico II, Via Pansini 5, 80131, Naples, Italy.
- CEINGE Biotecnologie Avanzate "Franco Salvatore", Via Gaetano Salvatore 486, 80145, Naples, Italy.
- DAI Medicina di Laboratorio e Trasfusionale, 'AOU' Federico II Policlinico, 80131, Naples, Italy.
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Reina J, Vallmajo-Martin Q, Ning J, Michi AN, Yeung K, Wahl GM, Hunter T. LHPP expression in triple-negative breast cancer promotes tumor growth and metastasis by modulating the tumor microenvironment. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.19.590151. [PMID: 38712081 PMCID: PMC11071390 DOI: 10.1101/2024.04.19.590151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Triple-negative breast cancer (TNBC) is a highly aggressive and metastatic form of breast cancer that lacks an effective targeted therapy. To identify new therapeutic targets, we investigated the phosphohistidine phosphatase, LHPP, which has been implicated in the development of several types of cancer. However, the full significance of LHPP in cancer progression remains unclear due to our limited understanding of its molecular mechanism. We found that levels of the LHPP phosphohistidine phosphatase were significantly increased in human breast cancer patients compared to normal adjacent tissues, with the highest levels in the TNBC subtype. When LHPP was knocked out in the MDA-MB-231 human TNBC cell line, cell proliferation, wound healing capacity, and invasion were significantly reduced. However, LHPP knockout in TNBC cells did not affect the phosphohistidine protein levels. Interestingly, LHPP knockout in MDA-MB-231 cells delayed tumor growth and reduced metastasis when orthotopically transplanted into mouse mammary glands. To investigate LHPP's role in breast cancer progression, we used next-generation sequencing and proximity-labeling proteomics, and found that LHPP regulates gene expression in chemokine-mediated signaling and actin cytoskeleton organization. Depletion of LHPP reduced the presence of tumor-infiltrating macrophages in mouse xenografts. Our results uncover a new tumor promoter role for LHPP phosphohistidine phosphatase in TNBC and suggest that targeting LHPP phosphatase could be a potential therapeutic strategy for TNBC.
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Affiliation(s)
- Jeffrey Reina
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | | | - Jia Ning
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Aubrey N Michi
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Kay Yeung
- Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
- Department of Medicine, School of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Geoffrey M Wahl
- Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Tony Hunter
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
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Chen CW, Su C, Huang CY, Huang XR, Cuili X, Chao T, Fan CH, Ting CW, Tsai YW, Yang KC, Yeh TY, Hsieh ST, Chen YJ, Feng Y, Hunter T, Chang ZF. NME3 is a gatekeeper for DRP1-dependent mitophagy in hypoxia. Nat Commun 2024; 15:2264. [PMID: 38480688 PMCID: PMC10938004 DOI: 10.1038/s41467-024-46385-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 02/23/2024] [Indexed: 03/17/2024] Open
Abstract
NME3 is a member of the nucleoside diphosphate kinase (NDPK) family localized on the mitochondrial outer membrane (MOM). Here, we report a role of NME3 in hypoxia-induced mitophagy dependent on its active site phosphohistidine but not the NDPK function. Mice carrying a knock-in mutation in the Nme3 gene disrupting NME3 active site histidine phosphorylation are vulnerable to ischemia/reperfusion-induced infarction and develop abnormalities in cerebellar function. Our mechanistic analysis reveals that hypoxia-induced phosphatidic acid (PA) on mitochondria is essential for mitophagy and the interaction of DRP1 with NME3. The PA binding function of MOM-localized NME3 is required for hypoxia-induced mitophagy. Further investigation demonstrates that the interaction with active NME3 prevents DRP1 susceptibility to MUL1-mediated ubiquitination, thereby allowing a sufficient amount of active DRP1 to mediate mitophagy. Furthermore, MUL1 overexpression suppresses hypoxia-induced mitophagy, which is reversed by co-expression of ubiquitin-resistant DRP1 mutant or histidine phosphorylatable NME3. Thus, the site-specific interaction with active NME3 provides DRP1 a microenvironment for stabilization to proceed the segregation process in mitophagy.
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Affiliation(s)
- Chih-Wei Chen
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Chi Su
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Chang-Yu Huang
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Xuan-Rong Huang
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Xiaojing Cuili
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Tung Chao
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Chun-Hsiang Fan
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Cheng-Wei Ting
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Yi-Wei Tsai
- Institute of Pharmacology, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
- Department of Medical Research, National Taiwan University Hospital, 10002, Taipei, Taiwan
| | - Kai-Chien Yang
- Institute of Pharmacology, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Ti-Yen Yeh
- Institute of Anatomy and Cell Biology, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Sung-Tsang Hsieh
- Institute of Anatomy and Cell Biology, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan
| | - Yi-Ju Chen
- Institute of Chemistry, Academia Sinica, 11529, Taipei, Taiwan
| | - Yuxi Feng
- Experimental Pharmacology Mannheim, European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Tony Hunter
- Molecular and Cell Biology Laboratory, Salk Institute, La Jolla, CA, 92037-1002, USA
| | - Zee-Fen Chang
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan.
- Center of Precision Medicine, College of Medicine, National Taiwan University, 10002, Taipei, Taiwan.
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Yuan M, Peng L, Huang D, Gavin A, Luan F, Tran J, Feng Z, Zhu X, Matteson J, Wilson IA, Nemazee D. Structural and mechanistic insights into disease-associated endolysosomal exonucleases PLD3 and PLD4. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.20.567917. [PMID: 38045427 PMCID: PMC10690185 DOI: 10.1101/2023.11.20.567917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Endolysosomal exonucleases PLD3 and PLD4 (phospholipases D3 and D4) are associated with autoinflammatory and autoimmune diseases. We report structures of these enzymes, and the molecular basis of their catalysis. The structures reveal an intra-chain dimer topology forming a basic active site at the interface. Like other PLD superfamily members, PLD3 and PLD4 carry HxKxxxxD/E motifs and participate in phosphodiester-bond cleavage. The enzymes digest ssDNA and ssRNA in a 5'-to-3' manner and are blocked by 5'-phosphorylation. We captured structures in apo, intermediate, and product states and revealed a 'link-and-release' two-step catalysis. We also unexpectedly demonstrated phosphatase activity via a covalent 3' phosphistidine intermediate. PLD4 contains an extra hydrophobic clamp that stabilizes substrate and could affect oligonucleotide substrate preference and product release. Biochemical and structural analysis of disease-associated mutants of PLD3/4 demonstrated reduced enzyme activity or thermostability and the possible basis for disease association. Furthermore, these findings provide insight into therapeutic design.
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Affiliation(s)
- Meng Yuan
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
- These authors contribute equally
| | - Linghang Peng
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
- These authors contribute equally
| | - Deli Huang
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
- These authors contribute equally
- Present address: Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Amanda Gavin
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Fangkun Luan
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Jenny Tran
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ziqi Feng
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Xueyong Zhu
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Jeanne Matteson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ian A. Wilson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
- Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - David Nemazee
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA
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10
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Lu-Culligan WJ, Connor LJ, Xie Y, Ekundayo BE, Rose BT, Machyna M, Pintado-Urbanc AP, Zimmer JT, Vock IW, Bhanu NV, King MC, Garcia BA, Bleichert F, Simon MD. Acetyl-methyllysine marks chromatin at active transcription start sites. Nature 2023; 622:173-179. [PMID: 37731000 PMCID: PMC10845139 DOI: 10.1038/s41586-023-06565-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 08/23/2023] [Indexed: 09/22/2023]
Abstract
Lysine residues in histones and other proteins can be modified by post-translational modifications that encode regulatory information1. Lysine acetylation and methylation are especially important for regulating chromatin and gene expression2-4. Pathways involving these post-translational modifications are targets for clinically approved therapeutics to treat human diseases. Lysine methylation and acetylation are generally assumed to be mutually exclusive at the same residue. Here we report cellular lysine residues that are both methylated and acetylated on the same side chain to form Nε-acetyl-Nε-methyllysine (Kacme). We show that Kacme is found on histone H4 (H4Kacme) across a range of species and across mammalian tissues. Kacme is associated with marks of active chromatin, increased transcriptional initiation and is regulated in response to biological signals. H4Kacme can be installed by enzymatic acetylation of monomethyllysine peptides and is resistant to deacetylation by some HDACs in vitro. Kacme can be bound by chromatin proteins that recognize modified lysine residues, as we demonstrate with the crystal structure of acetyllysine-binding protein BRD2 bound to a histone H4Kacme peptide. These results establish Kacme as a cellular post-translational modification with the potential to encode information distinct from methylation and acetylation alone and demonstrate that Kacme has all the hallmarks of a post-translational modification with fundamental importance to chromatin biology.
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Affiliation(s)
- William J Lu-Culligan
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Leah J Connor
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Yixuan Xie
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St Louis, MO, USA
| | - Babatunde E Ekundayo
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
| | - Brendan T Rose
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Martin Machyna
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Andreas P Pintado-Urbanc
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Joshua T Zimmer
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Isaac W Vock
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA
| | - Natarajan V Bhanu
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St Louis, MO, USA
| | - Megan C King
- Department of Cell Biology, Yale School of Medicine, New Haven, CT, USA
| | - Benjamin A Garcia
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St Louis, MO, USA
| | - Franziska Bleichert
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA
| | - Matthew D Simon
- Department of Molecular Biophysics & Biochemistry, Yale University, New Haven, CT, USA.
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT, USA.
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11
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Daly LA, Clarke CJ, Po A, Oswald SO, Eyers CE. Considerations for defining +80 Da mass shifts in mass spectrometry-based proteomics: phosphorylation and beyond. Chem Commun (Camb) 2023; 59:11484-11499. [PMID: 37681662 PMCID: PMC10521633 DOI: 10.1039/d3cc02909c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 08/21/2023] [Indexed: 09/09/2023]
Abstract
Post-translational modifications (PTMs) are ubiquitous and key to regulating protein function. Understanding the dynamics of individual PTMs and their biological roles requires robust characterisation. Mass spectrometry (MS) is the method of choice for the identification and quantification of protein modifications. This article focusses on the MS-based analysis of those covalent modifications that induce a mass shift of +80 Da, notably phosphorylation and sulfation, given the challenges associated with their discrimination and pinpointing the sites of modification on a polypeptide chain. Phosphorylation in particular is highly abundant, dynamic and can occur on numerous residues to invoke specific functions, hence robust characterisation is crucial to understanding biological relevance. Showcasing our work in the context of other developments in the field, we highlight approaches for enrichment and site localisation of phosphorylated (canonical and non-canonical) and sulfated peptides, as well as modification analysis in the context of intact proteins (top down proteomics) to explore combinatorial roles. Finally, we discuss the application of native ion-mobility MS to explore the effect of these PTMs on protein structure and ligand binding.
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Affiliation(s)
- Leonard A Daly
- Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
| | - Christopher J Clarke
- Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
| | - Allen Po
- Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
| | - Sally O Oswald
- Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
| | - Claire E Eyers
- Centre for Proteome Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.
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12
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Iuso D, Garcia-Saez I, Couté Y, Yamaryo-Botté Y, Boeri Erba E, Adrait A, Zeaiter N, Tokarska-Schlattner M, Jilkova ZM, Boussouar F, Barral S, Signor L, Couturier K, Hajmirza A, Chuffart F, Bourova-Flin E, Vitte AL, Bargier L, Puthier D, Decaens T, Rousseaux S, Botté C, Schlattner U, Petosa C, Khochbin S. Nucleoside diphosphate kinases 1 and 2 regulate a protective liver response to a high-fat diet. SCIENCE ADVANCES 2023; 9:eadh0140. [PMID: 37672589 PMCID: PMC10482350 DOI: 10.1126/sciadv.adh0140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 08/02/2023] [Indexed: 09/08/2023]
Abstract
The synthesis of fatty acids from acetyl-coenzyme A (AcCoA) is deregulated in diverse pathologies, including cancer. Here, we report that fatty acid accumulation is negatively regulated by nucleoside diphosphate kinases 1 and 2 (NME1/2), housekeeping enzymes involved in nucleotide homeostasis that were recently found to bind CoA. We show that NME1 additionally binds AcCoA and that ligand recognition involves a unique binding mode dependent on the CoA/AcCoA 3' phosphate. We report that Nme2 knockout mice fed a high-fat diet (HFD) exhibit excessive triglyceride synthesis and liver steatosis. In liver cells, NME2 mediates a gene transcriptional response to HFD leading to the repression of fatty acid accumulation and activation of a protective gene expression program via targeted histone acetylation. Our findings implicate NME1/2 in the epigenetic regulation of a protective liver response to HFD and suggest a potential role in controlling AcCoA usage between the competing paths of histone acetylation and fatty acid synthesis.
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Affiliation(s)
- Domenico Iuso
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Isabel Garcia-Saez
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble 38000, France
| | - Yohann Couté
- Univ. Grenoble Alpes, INSERM, CEA, UMR BioSanté U1292, CNRS, CEA, FR2048, Grenoble 38000, France
| | - Yoshiki Yamaryo-Botté
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Elisabetta Boeri Erba
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble 38000, France
| | - Annie Adrait
- Univ. Grenoble Alpes, INSERM, CEA, UMR BioSanté U1292, CNRS, CEA, FR2048, Grenoble 38000, France
| | - Nour Zeaiter
- Univ. Grenoble Alpes, INSERM, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
| | | | - Zuzana Macek Jilkova
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
- CHU Grenoble Alpes, Service d’hépato-gastroentérologie, Pôle Digidune, La Tronche 38700, France
| | - Fayçal Boussouar
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Sophie Barral
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Luca Signor
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble 38000, France
| | - Karine Couturier
- Univ. Grenoble Alpes, INSERM, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
| | - Azadeh Hajmirza
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Florent Chuffart
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Ekaterina Bourova-Flin
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Anne-Laure Vitte
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Lisa Bargier
- Aix Marseille Université, INSERM, TAGC, TGML, Marseille 13288, France
| | - Denis Puthier
- Aix Marseille Université, INSERM, TAGC, TGML, Marseille 13288, France
| | - Thomas Decaens
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
- CHU Grenoble Alpes, Service d’hépato-gastroentérologie, Pôle Digidune, La Tronche 38700, France
| | - Sophie Rousseaux
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Cyrille Botté
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
| | - Uwe Schlattner
- Univ. Grenoble Alpes, INSERM, Institut Universitaire de France, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
| | - Carlo Petosa
- Univ. Grenoble Alpes, CNRS, CEA, Institut de Biologie Structurale (IBS), Grenoble 38000, France
| | - Saadi Khochbin
- Univ. Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences, La Tronche 38706, France
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13
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Houry D, Raasakka A, Ferrario E, Niere M, Bifulco E, Kursula P, Ziegler M. Identification of structural determinants of nicotinamide phosphoribosyl transferase (NAMPT) activity and substrate selectivity. J Struct Biol 2023; 215:108004. [PMID: 37495196 DOI: 10.1016/j.jsb.2023.108004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 07/12/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
NAD homeostasis in mammals requires the salvage of nicotinamide (Nam), which is cleaved from NAD+ by sirtuins, PARPs, and other NAD+-dependent signaling enzymes. Nam phosphoribosyltransferase (NAMPT) catalyzes the rate-limiting step in vitamin B3 salvage, whereby Nam reacts with phosphoribosyl pyrophosphate (PRPP) to form nicotinamide mononucleotide. NAMPT has a high affinity towards Nam, which is further enhanced by autophosphorylation of His247. The mechanism of this enhancement has remained unknown. Here, we present high-resolution crystal structures and biochemical data that provide reasoning for the increased affinity of the phosphorylated NAMPT for its substrate. Structural and kinetic analyses suggest a mechanism that includes Mg2+ coordination by phospho-His247, such that PRPP is stabilized in a position highly favorable for catalysis. Under these conditions, nicotinic acid (NA) can serve as a substrate. Moreover, we demonstrate that a stretch of 10 amino acids, present only in NAMPTs from deuterostomes, facilitates conformational plasticity and stabilizes the chemically unstable phosphorylation of His247. Thereby the apparent substrate affinity is considerably enhanced compared to prokaryotic NAMPTs. Collectively, our study provides a structural basis for the important function of NAMPT to recycle Nam into NAD biosynthesis with high affinity.
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Affiliation(s)
- Dorothée Houry
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53 A/B, 5006 Bergen, Norway; Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
| | - Arne Raasakka
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
| | - Eugenio Ferrario
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
| | - Marc Niere
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
| | - Ersilia Bifulco
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53 A/B, 5006 Bergen, Norway; Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
| | - Petri Kursula
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway; Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Aapistie 7A, 90220 Oulu, Finland
| | - Mathias Ziegler
- Department of Biomedicine, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway; Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany.
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14
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Kitamura N, Galligan JJ. A global view of the human post-translational modification landscape. Biochem J 2023; 480:1241-1265. [PMID: 37610048 PMCID: PMC10586784 DOI: 10.1042/bcj20220251] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/26/2023] [Accepted: 08/07/2023] [Indexed: 08/24/2023]
Abstract
Post-translational modifications (PTMs) provide a rapid response to stimuli, finely tuning metabolism and gene expression and maintain homeostasis. Advances in mass spectrometry over the past two decades have significantly expanded the list of known PTMs in biology and as instrumentation continues to improve, this list will surely grow. While many PTMs have been studied in detail (e.g. phosphorylation, acetylation), the vast majority lack defined mechanisms for their regulation and impact on cell fate. In this review, we will highlight the field of PTM research as it currently stands, discussing the mechanisms that dictate site specificity, analytical methods for their detection and study, and the chemical tools that can be leveraged to define PTM regulation. In addition, we will highlight the approaches needed to discover and validate novel PTMs. Lastly, this review will provide a starting point for those interested in PTM biology, providing a comprehensive list of PTMs and what is known regarding their regulation and metabolic origins.
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Affiliation(s)
- Naoya Kitamura
- Department of Pharmacology and College of Pharmacy, University of Arizona, Tucson, Arizona 85721, U.S.A
| | - James J. Galligan
- Department of Pharmacology and College of Pharmacy, University of Arizona, Tucson, Arizona 85721, U.S.A
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15
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Makwana MV, Dos Santos Souza C, Pickup BT, Thompson MJ, Lomada SK, Feng Y, Wieland T, Jackson RFW, Muimo R. Chemical Tools for Studying Phosphohistidine: Generation of Selective τ-Phosphohistidine and π-Phosphohistidine Antibodies. Chembiochem 2023; 24:e202300182. [PMID: 37183567 DOI: 10.1002/cbic.202300182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 05/16/2023]
Abstract
Nonhydrolysable stable analogues of τ-phosphohistidine (τ-pHis) and π-pHis have been designed, aided by electrostatic surface potential calculations, and subsequently synthesized. The τ-pHis and π-pHis analogues (phosphopyrazole 8 and pyridyl amino amide 13, respectively) were used as haptens to generate pHis polyclonal antibodies. Both τ-pHis and π-pHis conjugates in the form of BSA-glutaraldehyde-τ-pHis and BSA-glutaraldehyde-π-pHis were synthesized and characterized by 31 P NMR spectroscopy. Commercially available τ-pHis (SC56-2) and π-pHis (SC1-1; SC50-3) monoclonal antibodies were used to show that the BSA-G-τ-pHis and BSA-G-π-pHis conjugates could be used to assess the selectivity of pHis antibodies in a competitive ELISA. Subsequently, the selectivity of the pHis antibodies generated by using phosphopyrazole 8 and pyridyl amino amide 13 as haptens was assessed by competitive ELISA against His, pSer, pThr, pTyr, τ-pHis and π-pHis. Antibodies generated by using phosphopyrazole 8 as a hapten were found to be selective for τ-pHis, and antibodies generated by using pyridyl amino amide 13 were found to be selective for π-pHis. Both τ- and π-pHis antibodies were shown to be effective in immunological experiments, including ELISA, western blot, and immunofluorescence. The τ-pHis antibody was also shown to be useful in the immunoprecipitation of proteins containing pHis.
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Affiliation(s)
- Mehul V Makwana
- Department of Chemistry, The University of Sheffield, Brook Hill, Sheffield, S3 7HF, UK
- Department of Infection Immunity and Cardiovascular Disease, Medical School, The University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Cleide Dos Santos Souza
- Sheffield Instituate of Translational Neuroscience, The University of Sheffield, 385a Glossop Road, Sheffield, S10 2HQ, UK
| | - Barry T Pickup
- Department of Chemistry, The University of Sheffield, Brook Hill, Sheffield, S3 7HF, UK
| | - Mark J Thompson
- Department of Oncology and Metabolism, Medical School, The University Of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
| | - Santosh K Lomada
- Experimental Pharmacology, European Center of Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Yuxi Feng
- Experimental Pharmacology, European Center of Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Thomas Wieland
- Experimental Pharmacology, European Center of Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany
| | - Richard F W Jackson
- Department of Chemistry, The University of Sheffield, Brook Hill, Sheffield, S3 7HF, UK
| | - Richmond Muimo
- Department of Infection Immunity and Cardiovascular Disease, Medical School, The University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK
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16
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Gary CR, Pflum MKH. Kinase-catalyzed Biotinylation with Inactivated Lysates for Discovery of Substrates (K-BILDS). Curr Protoc 2023; 3:e851. [PMID: 37552028 DOI: 10.1002/cpz1.851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Protein phosphorylation is catalyzed by kinases to regulate a large variety of cellular activities, including growth and signal transduction. Methods to identify kinase substrates are crucial to fully understand phosphorylation-mediated cellular events and disease states. Here, we report a set of protocols to identify substrates of a target kinase using Kinase-catalyzed Biotinylation with Inactivated Lysates for Discovery of Substrates (K-BILDS). As described in these protocols, K-BILDS involves inactivation of endogenous kinases in lysates, followed by addition of an active exogenous kinase and the γ-phosphate-modified ATP analog ATP-biotin for kinase-catalyzed biotinylation of cellular substrates. Avidin enrichment isolates biotinylated substrates of the active kinase, which can be monitored by western blot. Substrates of the target kinase can also be discovered using mass spectrometry analysis. Key advantages of K-BILDS include compatibility with any lysate, tissue homogenate, or complex mixture of biological relevance and any active kinase of interest. K-BILDS is a versatile method for studying or discovering substrates of a kinase of interest to characterize biological pathways thoroughly. © 2023 Wiley Periodicals LLC. Basic Protocol 1: FSBA treatment of lysates to inactivate kinases Basic Protocol 2: Kinase-catalyzed Biotinylation with Inactivated Lysates for Discovery of Substrates (K-BILDS).
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Affiliation(s)
- Chelsea R Gary
- Department of Chemistry, Wayne State University, Detroit, Michigan
| | - Mary Kay H Pflum
- Department of Chemistry, Wayne State University, Detroit, Michigan
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17
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Linder M, Liko D, Kancherla V, Piscuoglio S, Hall MN. Colitis Is Associated with Loss of the Histidine Phosphatase LHPP and Upregulation of Histidine Phosphorylation in Intestinal Epithelial Cells. Biomedicines 2023; 11:2158. [PMID: 37626656 PMCID: PMC10452693 DOI: 10.3390/biomedicines11082158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/27/2023] Open
Abstract
Protein histidine phosphorylation (pHis) is a posttranslational modification involved in cell cycle regulation, ion channel activity and phagocytosis. Using novel monoclonal antibodies to detect pHis, we previously reported that the loss of the histidine phosphatase LHPP (phospholysine phosphohistidine inorganic pyrophosphate phosphatase) results in elevated pHis levels in hepatocellular carcinoma. Here, we show that intestinal inflammation correlates with the loss of LHPP in dextran sulfate sodium (DSS)-treated mice and in inflammatory bowel disease (IBD) patients. Increased histidine phosphorylation was observed in intestinal epithelial cells (IECs), as determined by pHis immunofluorescence staining of colon samples from a colitis mouse model. However, the ablation of Lhpp did not cause increased pHis or promote intestinal inflammation under physiological conditions or after DSS treatment. Our observations suggest that increased histidine phosphorylation plays a role in colitis, but the loss of LHPP is not sufficient to increase pHis or to cause inflammation in the intestine.
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Affiliation(s)
- Markus Linder
- Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Dritan Liko
- Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Venkatesh Kancherla
- Institute of Medical Genetics and Pathology, University Hospital Basel, 4031 Basel, Switzerland
| | - Salvatore Piscuoglio
- Institute of Medical Genetics and Pathology, University Hospital Basel, 4031 Basel, Switzerland
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
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18
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Li J, Zhou J, Xu H, Tian K, Zhu H, Chen Y, Huang Y, Wang G, Gong Z, Qin H, Ye M. ACR-Based Probe for the Quantitative Profiling of Histidine Reactivity in the Human Proteome. J Am Chem Soc 2023; 145:5252-5260. [PMID: 36848482 DOI: 10.1021/jacs.2c12653] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
The quantitative profiling of residue reactivity in proteins promotes the discovery of covalent druggable targets for precise therapy. Histidine (His) residues, accounting for more than 20% of the active sites in enzymes, have not been systematically characterized for their reactivity, due to lack of labeling probes. Herein, we report a chemical proteomics platform for the site-specific quantitative analysis of His reactivity by combination of acrolein (ACR) labeling and reversible hydrazine chemistry enrichment. Based on this platform, in-depth characterization of His residues was conducted for the human proteome, in which the rich content of His residues (>8200) was quantified, including 317 His hyper-reactive residues. Intriguingly, it was observed that the hyper-reactive residues were less likely to be the sites for phosphorylation, and the possible mechanism of this antagonistic effect still needs to be evaluated in further research. Based on the first comprehensive map of His residue reactivity, many more residues could be adopted as the bindable sites to disrupt the activities of a diverse number of proteins; meanwhile, ACR derivatives could also be used as a novel reactive warhead in the development of covalent inhibitors.
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Affiliation(s)
- Jiaying Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Jiahua Zhou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hao Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Kailu Tian
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - He Zhu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yao Chen
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | | | - Guosheng Wang
- College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Zhou Gong
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, National Center for Magnetic Resonance at Wuhan, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Hongqiang Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mingliang Ye
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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19
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Pan H, Ma B, Wang H, Cui X, Zhang K, Zhao B, Jiang B, Liang Z, Zhang L, Zhang Y. Efficient Enrichment Method for N-Phosphorylation Peptides in Mouse Brain Tissue. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:145-148. [PMID: 36637179 DOI: 10.1021/jasms.2c00335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In addition to O-phosphorylation, protein N-phosphorylation was proven to play important roles in multiple biological processes. Although affinity methods were developed for the enrichment of N-phosphorylation peptides in cells, it was still difficult to enrich N-phosphorylation peptides in tissue due to its complexity. In this study, we established a workflow for the identification of N-phosphorylation peptides in mouse brain tissue by direct enrichment in high concentration urea. In total, 989 N-phosphorylation sites were obtained using 0.5 M urea as enrichment buffer. Among all identified N-phosphorylation sites, the localization probability over 0.75 was as high as 80%, suggesting the reliability of the method. Furthermore, the sequence motif analysis and gene ontology analysis results showed a good match to previous studies. The method was successfully used for N-phosphorylation analysis of mouse hippocampus from Alzheimer's disease model, and 533 N-phosphorylation sites were identified in 5 × FAD mouse hippocampus tissue. Biological process analysis results showed that "brain development", "cellular response to reactive oxygen species", "microtubule cytoskeleton organization", and "peptidyl-serine phosphorylation" were especially enriched in 5 × FAD mouse. It is suggested that N-phosphorylation may be related to Alzheimer's disease in these aspects.
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Affiliation(s)
- Hui Pan
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Baofu Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - He Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xulian Cui
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Kun Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Baofeng Zhao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Bo Jiang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zhen Liang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Lihua Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yukui Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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20
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Lee D, Lee Y, Hye Shin S, Min Choi S, Hyeon Lee S, Jeong S, Jang S, Kee JM. A simple protein histidine kinase activity assay for high-throughput inhibitor screening. Bioorg Chem 2023; 130:106232. [DOI: 10.1016/j.bioorg.2022.106232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/15/2022] [Accepted: 10/26/2022] [Indexed: 11/11/2022]
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21
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Wang S, Chen YZ, Fu S, Zhao Y. In silico approaches uncovering the systematic function of N-phosphorylated proteins in human cells. Comput Biol Med 2022; 151:106280. [PMID: 36375414 DOI: 10.1016/j.compbiomed.2022.106280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 10/12/2022] [Accepted: 10/30/2022] [Indexed: 11/11/2022]
Abstract
Phosphorylation plays a key role in the regulation of protein function. In addition to the extensively studied O-phosphorylation of serine, threonine, and tyrosine, emerging evidence suggests that the non-canonical phosphorylation of histidine, lysine, and arginine termed N-phosphorylation, exists widely in eukaryotes. At present, the study of N-phosphorylation is still in its infancy, and its regulatory role and specific biological functions in mammalian cells are still unknown. Here, we report the in silico analysis of the systematic biological significance of N-phosphorylated proteins in human cells. The protein structural and functional domain enrichment analysis revealed that N-phosphorylated proteins are rich in RNA recognition motif, nucleotide-binding and alpha-beta plait domains. The most commonly enriched biological pathway is the metabolism of RNA. Besides, arginine phosphorylated (pArg) proteins are highly related to DNA repair, while histidine phosphorylated (pHis) proteins may play a role in the regulation of the cell cycle, and lysine phosphorylated (pLys) proteins are linked to cellular stress response, intracellular signal transduction, and intracellular transport, which are of great significance for maintaining cell homeostasis. Protein-protein interaction (PPI) network analysis revealed important hub proteins (i.e., SRSF1, HNRNPA1, HNRNPC, SRSF7, HNRNPH1, SRSF2, SRSF11, HNRNPD, SRRM2 and YBX1) which are closely related to neoplasms, nervous system diseases, and virus infection and have potential as therapeutic targets. Those proteins with clinical significance are worthy of attention, and the rational considerations of N-phosphorylation in occurrence and progression of diseases might be beneficial for further translational applications.
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Affiliation(s)
- Shanshan Wang
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315211, China
| | - Yu Zong Chen
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315211, China
| | - Songsen Fu
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315211, China.
| | - Yufen Zhao
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315211, China; Department of Chemical Biology, College of Chemistry and Chemical Engineering, The Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, 361005, China; Key Lab of Bioorganic Phosphorus Chemistry&Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China.
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22
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Kim HJ, Jung H, Kim S, Seo JK, Kee JM. Identification of a Target Site for Covalent Inhibition of Protein Phosphohistidine Phosphatase 1. ACS Med Chem Lett 2022; 13:1911-1915. [DOI: 10.1021/acsmedchemlett.2c00450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Hyeong Jun Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
| | - Hoyoung Jung
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
| | - Soyeon Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
| | - Jeong Kon Seo
- UNIST Central Research Facilities (UCRF), Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
- Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
| | - Jung-Min Kee
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
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23
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Sakai Y, Hanafusa H, Hisamoto N, Matsumoto K. Histidine dephosphorylation of the Gβ protein GPB-1 promotes axon regeneration in C. elegans. EMBO Rep 2022; 23:e55076. [PMID: 36278516 PMCID: PMC9724660 DOI: 10.15252/embr.202255076] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/30/2022] [Accepted: 10/04/2022] [Indexed: 12/12/2022] Open
Abstract
Histidine phosphorylation is an emerging noncanonical protein phosphorylation in animals, yet its physiological role remains largely unexplored. The protein histidine phosphatase (PHPT1) was recently identified for the first time in mammals. Here, we report that PHIP-1, an ortholog of PHPT1 in Caenorhabditis elegans, promotes axon regeneration by dephosphorylating GPB-1 Gβ at His-266 and inactivating GOA-1 Goα signaling, a negative regulator of axon regeneration. Overexpression of the histidine kinase NDK-1 also inhibits axon regeneration via GPB-1 His-266 phosphorylation. Thus, His-phosphorylation plays an antiregenerative role in C. elegans. Furthermore, we identify a conserved UNC-51/ULK kinase that functions in autophagy as a PHIP-1-binding protein. We demonstrate that UNC-51 phosphorylates PHIP-1 at Ser-112 and activates its catalytic activity and that this phosphorylation is required for PHIP-1-mediated axon regeneration. This study reveals a molecular link from ULK to protein histidine phosphatase, which facilitates axon regeneration by inhibiting trimeric G protein signaling.
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Affiliation(s)
- Yoshiki Sakai
- Division of Biological Science, Graduate School of ScienceNagoya UniversityNagoyaJapan
| | - Hiroshi Hanafusa
- Division of Biological Science, Graduate School of ScienceNagoya UniversityNagoyaJapan
| | - Naoki Hisamoto
- Division of Biological Science, Graduate School of ScienceNagoya UniversityNagoyaJapan
| | - Kunihiro Matsumoto
- Division of Biological Science, Graduate School of ScienceNagoya UniversityNagoyaJapan
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24
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O’Shaughnessy WJ, Dewangan PS, Paiz EA, Reese ML. Not your Mother's MAPKs: Apicomplexan MAPK function in daughter cell budding. PLoS Pathog 2022; 18:e1010849. [PMID: 36227859 PMCID: PMC9560070 DOI: 10.1371/journal.ppat.1010849] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Reversible phosphorylation by protein kinases is one of the core mechanisms by which biological signals are propagated and processed. Mitogen-activated protein kinases, or MAPKs, are conserved throughout eukaryotes where they regulate cell cycle, development, and stress response. Here, we review advances in our understanding of the function and biochemistry of MAPK signaling in apicomplexan parasites. As expected for well-conserved signaling modules, MAPKs have been found to have multiple essential roles regulating both Toxoplasma tachyzoite replication and sexual differentiation in Plasmodium. However, apicomplexan MAPK signaling is notable for the lack of the canonical kinase cascade that normally regulates the networks, and therefore must be regulated by a distinct mechanism. We highlight what few regulatory relationships have been established to date, and discuss the challenges to the field in elucidating the complete MAPK signaling networks in these parasites.
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Affiliation(s)
- William J. O’Shaughnessy
- Department of Pharmacology, University of Texas, Southwestern Medical Center, Dallas, Texas, United States of America
| | - Pravin S. Dewangan
- Department of Pharmacology, University of Texas, Southwestern Medical Center, Dallas, Texas, United States of America
| | - E. Ariana Paiz
- Department of Pharmacology, University of Texas, Southwestern Medical Center, Dallas, Texas, United States of America
| | - Michael L. Reese
- Department of Pharmacology, University of Texas, Southwestern Medical Center, Dallas, Texas, United States of America,Department of Biochemistry, University of Texas, Southwestern Medical Center, Dallas, Texas, United States of America,* E-mail:
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25
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Zhao J, Zhuang M, Liu J, Zhang M, Zeng C, Jiang B, Wu J, Song X. pHisPred: a tool for the identification of histidine phosphorylation sites by integrating amino acid patterns and properties. BMC Bioinformatics 2022; 23:399. [PMID: 36171552 PMCID: PMC9520798 DOI: 10.1186/s12859-022-04938-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
Background Protein histidine phosphorylation (pHis) plays critical roles in prokaryotic signal transduction pathways and various eukaryotic cellular processes. It is estimated to account for 6–10% of the phosphoproteome, however only hundreds of pHis sites have been discovered to date. Due to the inherent disadvantages of experimental methods, it is an urgent task for developing efficient computational approaches to identify pHis sites. Results Here, we present a novel tool, pHisPred, for accurately identifying pHis sites from protein sequences. We manually collected the largest number of experimental validated pHis sites to build benchmark datasets. Using randomized tenfold CV, the weighted SVM-RBF model shows the best performance than other four commonly used classification models (LR, KNN, RF, and MLP). From ten thousands of features, 140 and 150 most informative features were individually selected out for eukaryotic and prokaryotic models. The average AUC and F1-score values of pHisPred were (0.81, 0.40) and (0.78, 0.46) for tenfold CV on the eukaryotic and prokaryotic training datasets, respectively. In addition, pHisPred significantly outperforms other tools on testing datasets, in particular on the eukaryotic one. Conclusion We implemented a python program of pHisPred, which is freely available for non-commercial use at https://github.com/xiaofengsong/pHisPred. Moreover, users can use it to train new models with their own data. Supplementary Information The online version contains supplementary material available at 10.1186/s12859-022-04938-x.
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Affiliation(s)
- Jian Zhao
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Minhui Zhuang
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Jingjing Liu
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Meng Zhang
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Cong Zeng
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
| | - Bin Jiang
- College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China
| | - Jing Wu
- School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, 211166, China.
| | - Xiaofeng Song
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China.
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26
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Hu Y, Jiang B. Selective enrichment tandem β-elimination assisted strategy for N-phosphorylation analysis. Talanta 2022; 247:123580. [DOI: 10.1016/j.talanta.2022.123580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/18/2022] [Accepted: 05/20/2022] [Indexed: 12/27/2022]
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27
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Makwana MV, Williamson MP, Jackson RFW, Muimo R. Quantitation of phosphohistidine in proteins in a mammalian cell line by 31P NMR. PLoS One 2022; 17:e0273797. [PMID: 36048825 PMCID: PMC9436146 DOI: 10.1371/journal.pone.0273797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 08/15/2022] [Indexed: 11/23/2022] Open
Abstract
There is growing evidence to suggest that phosphohistidines are present at significant levels in mammalian cells and play a part in regulating cellular activity, in particular signaling pathways related to cancer. Because of the chemical instability of phosphohistidine at neutral or acid pH, it remains unclear how much phosphohistidine is present in cells. Here we describe a protocol for extracting proteins from mammalian cells in a way that avoids loss of covalent phosphates from proteins, and use it to measure phosphohistidine concentrations in human bronchial epithelial cell (16HBE14o-) lysate using 31P NMR spectroscopic analysis. Phosphohistidine is determined on average to be approximately one third as abundant as phosphoserine and phosphothreonine combined (and thus roughly 15 times more abundant than phosphotyrosine). The amount of phosphohistidine, and phosphoserine/phosphothreonine per gram of protein from a cell lysate was determined to be 23 μmol/g and 68 μmol/g respectively. The amount of phosphohistidine, and phosphoserine/phosphothreonine per cell was determined to be 1.8 fmol/cell, and 5.8 fmol/cell respectively. Phosphorylation is largely at the N3 (tele) position. Typical tryptic digest conditions result in loss of most of the phosphohistidine present, which may explain why the amounts reported here are greater than is generally seen using mass spectroscopy assays. The results further strengthen the case for a functional role of phosphohistidine in eukaryotic cells.
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Affiliation(s)
- Mehul V. Makwana
- Department of Chemistry, The University of Sheffield, Sheffield, United Kingdom
- Department of Infection, Immunity and Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
| | - Mike P. Williamson
- School of Biosciences, The University of Sheffield, Sheffield, United Kingdom
| | | | - Richmond Muimo
- Department of Infection, Immunity and Cardiovascular Disease, The University of Sheffield, Sheffield, United Kingdom
- * E-mail:
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28
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Squair DR, Virdee S. A new dawn beyond lysine ubiquitination. Nat Chem Biol 2022; 18:802-811. [PMID: 35896829 DOI: 10.1038/s41589-022-01088-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 06/21/2022] [Indexed: 01/18/2023]
Abstract
The ubiquitin system has become synonymous with the modification of lysine residues. However, the substrate scope and diversity of the conjugation machinery have been underappreciated, bringing us to an epoch in ubiquitin system research. The striking discoveries of metazoan enzymes dedicated toward serine and threonine ubiquitination have revealed the important role of nonlysine ubiquitination in endoplasmic reticulum-associated degradation, immune signaling and neuronal processes, while reports of nonproteinaceous substrates have extended ubiquitination beyond the proteome. Bacterial effectors that bypass the canonical ubiquitination machinery and form unprecedented linkage chemistry further redefine long-standing dogma. While chemical biology approaches have advanced our understanding of the canonical ubiquitin system, further study of noncanonical ubiquitination has been hampered by a lack of suitable tools. This Perspective aims to consolidate and contextualize recent discoveries and to propose potential applications of chemical biology, which will be instrumental in unraveling this new frontier of ubiquitin research.
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Affiliation(s)
- Daniel R Squair
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, UK
| | - Satpal Virdee
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, UK.
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29
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Lima MA, Rudd TR, Fernig DG, Yates EA. Phosphorylation and sulfation share a common biosynthetic pathway, but extend biochemical and evolutionary diversity of biological macromolecules in distinct ways. JOURNAL OF THE ROYAL SOCIETY, INTERFACE 2022; 19:20220391. [PMID: 35919982 PMCID: PMC9346353 DOI: 10.1098/rsif.2022.0391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Phosphate and sulfate groups are integral to energy metabolism and introduce negative charges into biological macromolecules. One purpose of such modifications is to elicit precise binding/activation of protein partners. The physico-chemical properties of the two groups, while superficially similar, differ in one important respect—the valency of the central (phosphorus or sulfur) atom. This dictates the distinct properties of their respective esters, di-esters and hence their charges, interactions with metal ions and their solubility. These, in turn, determine the contrasting roles for which each group has evolved in biological systems. Biosynthetic links exist between the two modifications; the sulfate donor 3′-phosphoadenosine-5′-phosphosulfate being formed from adenosine triphosphate (ATP) and adenosine phosphosulfate, while the latter is generated from sulfate anions and ATP. Furthermore, phosphorylation, by a xylosyl kinase (Fam20B, glycosaminoglycan xylosylkinase) of the xylose residue of the tetrasaccharide linker region that connects nascent glycosaminoglycan (GAG) chains to their parent proteoglycans, substantially accelerates their biosynthesis. Following observations that GAG chains can enter the cell nucleus, it is hypothesized that sulfated GAGs could influence events in the nucleus, which would complete a feedback loop uniting the complementary anionic modifications of phosphorylation and sulfation through complex, inter-connected signalling networks and warrants further exploration.
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Affiliation(s)
- M A Lima
- Centre for Glycosciences, Keele University, Keele ST5 5BG, UK.,School of Life Sciences, Keele University, Keele ST5 5BG, UK
| | - T R Rudd
- Analytical and Biological Science Department, National Institute of Biological Standards and Control (NIBSC), Blanche Lane, South Mimms, Potters Bar EN6 3QG, UK.,Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Liverpool L69 7ZB, UK
| | - D G Fernig
- Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Liverpool L69 7ZB, UK
| | - E A Yates
- School of Life Sciences, Keele University, Keele ST5 5BG, UK.,Department of Biochemistry and Systems Biology, ISMIB, University of Liverpool, Liverpool L69 7ZB, UK
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30
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Wahab A, Gao Z, Gou J, Yu B. The construction of phosphonate triazolyl by copper(II)-catalyzed furan dearomatized [3 + 2] cycloaddition. Org Biomol Chem 2022; 20:6319-6323. [PMID: 35856323 DOI: 10.1039/d2ob01060g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Triazole phosphonates are valuable structural motifs in chemical biology and the subject of growing recent interest. A novel methodology to synthesize triazolyl phosphonates starting from furfuryl phosphonate alcohols and organo-azides was developed. This method involved an intermolecular copper-catalyzed dearomatized [3 + 2] cycloaddition/furan ring-opening cascade reaction. A strategy involving a three-component reaction was realized for quick access to triazole phosphonates.
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Affiliation(s)
- Abdul Wahab
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China.
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China.
| | - Jing Gou
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an 710062, China
| | - Binxun Yu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China. .,SCNU Qingyuan Institute of Science and Technology Innovation Co., Ltd., Qingyuan 511517, China
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31
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Histidine phosphorylation in human cells; a needle or phantom in the haystack? Nat Methods 2022; 19:827-828. [PMID: 35726056 DOI: 10.1038/s41592-022-01524-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 05/16/2022] [Indexed: 12/29/2022]
Abstract
It has been suggested that in mammalian cells histidine residues in proteins may become as frequently phosphorylated as serine, threonine and tyrosine, and may play a key role in mammalian signaling. Here we applied a robust workflow that earlier allowed us to detect histidine phosphorylation in bacteria unambiguously, to probe for histidine phosphorylation in four human cell lines. Initially, seemingly hundreds of protein histidine phosphorylations were picked up in all studied human cell lines. However, careful examination of the data, and several control experiments, led us to the conclusion that >99% of these initially assigned pHis sites were not genuine, and should be site localized to neighboring Ser/Thr residues. Nevertheless, our methods are selective enough to detect just a handful of genuine pHis sites in mammalian cells, representing well-known enzymatic intermediates. Consequently, we do not find any evidence in our data supporting that protein histidine phosphorylation plays a role in mammalian signaling.
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32
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Hunter T. A journey from phosphotyrosine to phosphohistidine and beyond. Mol Cell 2022; 82:2190-2200. [PMID: 35654043 DOI: 10.1016/j.molcel.2022.05.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/22/2022] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
Abstract
Protein phosphorylation is a reversible post-translational modification. Nine of the 20 natural amino acids in proteins can be phosphorylated, but most of what we know about the roles of protein phosphorylation has come from studies of serine, threonine, and tyrosine phosphorylation. Much less is understood about the phosphorylation of histidine, lysine, arginine, cysteine, aspartate, and glutamate, so-called non-canonical phosphorylations. Phosphohistidine (pHis) was discovered 60 years ago as a mitochondrial enzyme intermediate; since then, evidence for the existence of histidine kinases and phosphohistidine phosphatases has emerged, together with examples where protein function is regulated by reversible histidine phosphorylation. pHis is chemically unstable and has thus been challenging to study. However, the recent development of tools for studying pHis has accelerated our understanding of the multifaceted functions of histidine phosphorylation, revealing a large number of proteins that are phosphorylated on histidine and implicating pHis in a wide range of cellular processes.
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Affiliation(s)
- Tony Hunter
- Molecular Cell Biology, Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
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33
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m6A methylation mediates LHPP acetylation as a tumour aerobic glycolysis suppressor to improve the prognosis of gastric cancer. Cell Death Dis 2022; 13:463. [PMID: 35568711 PMCID: PMC9107493 DOI: 10.1038/s41419-022-04859-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 04/06/2022] [Accepted: 04/14/2022] [Indexed: 12/14/2022]
Abstract
LHPP, a histidine phosphatase, has been implicated in tumour progression. However, its role, underlying mechanisms, and prognostic significance in human gastric cancer (GC) are elusive. Here, we obtained GC tissues and corresponding normal tissues from 48 patients and identified LHPP as a downregulated gene via RNA-seq. qRT-PCR and western blotting were applied to examine LHPP levels in normal and GC tissues. The prognostic value of LHPP was elucidated using tissue microarray and IHC analyses in two independent GC cohorts. The functional roles and mechanistic insights of LHPP in GC growth and metastasis were evaluated in vitro and in vivo. The results showed that LHPP expression was significantly decreased in GC tissues at both the mRNA and protein levels. Multivariate Cox regression analysis revealed that LHPP was an independent prognostic factor and effective predictor in patients with GC. The low expression of LHPP was significantly related to the poor prognosis and chemotherapy sensitivity of gastric cancer patients. Moreover, elevated LHPP expression effectively suppressed GC growth and metastasis in vitro and in vivo. Mechanistically, the m6A modification of LHPP mRNA by METTL14 represses its expression; LHPP inhibits the phosphorylation of GSK3b through acetylation and mediates HIF1A to inhibit glycolysis, proliferation, invasion and metastasis of gastric cancer cells. Together, our findings suggest that LHPP is regulated by m6A methylation and regulates the metabolism of GC by changing the acetylation level. Thus, LHPP is a potential predictive biomarker and therapeutic target for GC.
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Zn(II)-DPA functionalized graphene oxide two-dimensional nanocomposites for N-phosphoproteins enrichment. Talanta 2022; 243:123384. [DOI: 10.1016/j.talanta.2022.123384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 11/15/2022]
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Cui F, Qian X, Ying W. Integrated Strategy for Unbiased Profiling of the Histidine Phosphoproteome. Anal Chem 2021; 93:15584-15589. [PMID: 34787389 DOI: 10.1021/acs.analchem.1c03374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Histidine phosphorylation (pHis), which plays a key role in signal transduction in bacteria and lower eukaryotes, has been shown to be involved in tumorigenesis. Due to its chemical instability, substoichiometric properties, and lack of specific enrichment reagents, there is a lack of approaches for specific and unbiased enrichment of pHis-proteins/peptides. In this study, an integrated strategy was established and evaluated as an unbiased tool for exploring the histidine phosphoproteome. First, taking advantage of the lower charge states of pHis-peptides versus the non-modified naked peptides at weak acid solution (∼pH 2.7), strong cation exchange (SCX) chromatography was used to differentiate modified and non-modified naked peptides. Furthermore, selective enrichment of the pHis-peptide was performed by applying Cu-IDA beads enrichment. Finally, stable isotope dimethyl labeling was introduced to guarantee high-confidence assignment of pHis-peptides. Using this integrated strategy, 563 different pHis-peptides (H = 1) in 385 proteins were identified from HeLa lysates. Motif analysis revealed that pHis prefers hydrophobic amino acids and has the consensus motif-HxxK, which covered the reports from different approaches. Thus, our method may provide an unbiased and effective tool to reveal histidine phosphoproteome and to study the biological process and function of histidine phosphorylation.
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Affiliation(s)
- Fangfang Cui
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38, Life Park Road, Changping District, Beijing, 102206, China
| | - Xiaohong Qian
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38, Life Park Road, Changping District, Beijing, 102206, China
| | - Wantao Ying
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38, Life Park Road, Changping District, Beijing, 102206, China
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Zhao X, Fu S, Zhao Y, Ni F. One-pot synthesis and multiple MS/MS fragmentation studies of phospholysine peptides. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9186. [PMID: 34480769 DOI: 10.1002/rcm.9186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
RATIONALE Compared with phosphorylation of arginine and histidine, the study of phosphorylation of lysine lags far behind. The major challenges toward the current study of phosphorylation of lysine include synthesis and unambiguous phosphosite identification. This study provided a simple chemical synthesis method to construct phospholysine peptides (pLys peptides) and investigated their fragmentation under multiple activation types. METHODS Herein, we developed a synthetic method for pLys peptides in aqueous solution within one pot. Two peptides were lysine-phosphorylated using this method. The purified pLys peptides were first characterized using NMR, then were subjected to nano-liquid chromatography-tandem mass spectrometry (nanoLC-MS/MS) analysis under multiple fragmentation method including collision-induced dissociation (CID), higher energy collisional dissociation (HCD), electron transfer dissociation (ETD), electron transfer/higher energy collisional dissociation (EThcD), and ultraviolet photodissociation (UVPD) fragmentation to investigate the relevant diagnostic ions. RESULTS Two pLys peptides were synthesized with a moderate yield following an easily handled experimental protocol. NMR spectra showed the phosphorylation occurred on ε-NH2 of lysine but not other groups. As for the fragmentation, in general, pLys immonium ions and phosphate-related neutral losses were ubiquitous among spectra derived from these activation types except for ETD. Using these ions as diagnostic ions, the misassigned phosphosites by algorithm could be recorrected. UVPD-generated spectra owned good sequence-coverage and abundant fragment ions, with pLys immonium ions and neutral losses of weak intensity. CONCLUSIONS A synthetic method was developed for pLys peptides in aqueous solution within one pot. The characteristic pLys immonium ions and phosphate-related neutral loss could serve as the diagnostic ions for unambiguous phosphosite identification of pLys peptides. In addition, UVPD was promising for the identification of pLys peptides.
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Affiliation(s)
- Xuelian Zhao
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, China
| | - Songsen Fu
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, China
| | - Yufen Zhao
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, China
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, China
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, China
| | - Feng Ni
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
- Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo, China
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Proust B, Radić M, Vidaček NŠ, Cottet C, Attia S, Lamarche F, Ačkar L, Mikulčić VG, Tokarska-Schlattner M, Ćetković H, Schlattner U, Bosnar MH. NME6 is a phosphotransfer-inactive, monomeric NME/NDPK family member and functions in complexes at the interface of mitochondrial inner membrane and matrix. Cell Biosci 2021; 11:195. [PMID: 34789336 PMCID: PMC8597243 DOI: 10.1186/s13578-021-00707-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/01/2021] [Indexed: 11/10/2022] Open
Abstract
Background NME6 is a member of the nucleoside diphosphate kinase (NDPK/NME/Nm23) family which has key roles in nucleotide homeostasis, signal transduction, membrane remodeling and metastasis suppression. The well-studied NME1-NME4 proteins are hexameric and catalyze, via a phospho-histidine intermediate, the transfer of the terminal phosphate from (d)NTPs to (d)NDPs (NDP kinase) or proteins (protein histidine kinase). For the NME6, a gene/protein that emerged early in eukaryotic evolution, only scarce and partially inconsistent data are available. Here we aim to clarify and extend our knowledge on the human NME6. Results We show that NME6 is mostly expressed as a 186 amino acid protein, but that a second albeit much less abundant isoform exists. The recombinant NME6 remains monomeric, and does not assemble into homo-oligomers or hetero-oligomers with NME1-NME4. Consequently, NME6 is unable to catalyze phosphotransfer: it does not generate the phospho-histidine intermediate, and no NDPK activity can be detected. In cells, we could resolve and extend existing contradictory reports by localizing NME6 within mitochondria, largely associated with the mitochondrial inner membrane and matrix space. Overexpressing NME6 reduces ADP-stimulated mitochondrial respiration and complex III abundance, thus linking NME6 to dysfunctional oxidative phosphorylation. However, it did not alter mitochondrial membrane potential, mass, or network characteristics. Our screen for NME6 protein partners revealed its association with NME4 and OPA1, but a direct interaction was observed only with RCC1L, a protein involved in mitochondrial ribosome assembly and mitochondrial translation, and identified as essential for oxidative phosphorylation. Conclusions NME6, RCC1L and mitoribosomes localize together at the inner membrane/matrix space where NME6, in concert with RCC1L, may be involved in regulation of the mitochondrial translation of essential oxidative phosphorylation subunits. Our findings suggest new functions for NME6, independent of the classical phosphotransfer activity associated with NME proteins. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-021-00707-0.
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Affiliation(s)
- Bastien Proust
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Martina Radić
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Nikolina Škrobot Vidaček
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000, Zagreb, Croatia.,Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Cécile Cottet
- Laboratory of Fundamental and Applied Bioenergetics, Univ. Grenoble Alpes and Inserm U1055, Grenoble, France
| | - Stéphane Attia
- Laboratory of Fundamental and Applied Bioenergetics, Univ. Grenoble Alpes and Inserm U1055, Grenoble, France
| | - Frédéric Lamarche
- Laboratory of Fundamental and Applied Bioenergetics, Univ. Grenoble Alpes and Inserm U1055, Grenoble, France
| | - Lucija Ačkar
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Vlatka Godinić Mikulčić
- The Miroslav Krleža Institute of Lexicography, 10000, Zagreb, Croatia.,Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | | | - Helena Ćetković
- Division of Molecular Biology, Ruđer Bošković Institute, 10000, Zagreb, Croatia
| | - Uwe Schlattner
- Univ. Grenoble Alpes and Inserm U1055, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France, and Institut Universitaire de France (IUF), Paris, France
| | - Maja Herak Bosnar
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000, Zagreb, Croatia.
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38
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The many ways that nature has exploited the unusual structural and chemical properties of phosphohistidine for use in proteins. Biochem J 2021; 478:3575-3596. [PMID: 34624072 DOI: 10.1042/bcj20210533] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/15/2021] [Accepted: 09/22/2021] [Indexed: 01/12/2023]
Abstract
Histidine phosphorylation is an important and ubiquitous post-translational modification. Histidine undergoes phosphorylation on either of the nitrogens in its imidazole side chain, giving rise to 1- and 3- phosphohistidine (pHis) isomers, each having a phosphoramidate linkage that is labile at high temperatures and low pH, in contrast with stable phosphomonoester protein modifications. While all organisms routinely use pHis as an enzyme intermediate, prokaryotes, lower eukaryotes and plants also use it for signal transduction. However, research to uncover additional roles for pHis in higher eukaryotes is still at a nascent stage. Since the discovery of pHis in 1962, progress in this field has been relatively slow, in part due to a lack of the tools and techniques necessary to study this labile modification. However, in the past ten years the development of phosphoproteomic techniques to detect phosphohistidine (pHis), and methods to synthesize stable pHis analogues, which enabled the development of anti-phosphohistidine (pHis) antibodies, have accelerated our understanding. Recent studies that employed anti-pHis antibodies and other advanced techniques have contributed to a rapid expansion in our knowledge of histidine phosphorylation. In this review, we examine the varied roles of pHis-containing proteins from a chemical and structural perspective, and present an overview of recent developments in pHis proteomics and antibody development.
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Onder S, van Grol M, Fidder A, Xiao G, Noort D, Yerramalla U, Tacal O, Schopfer LM, Lockridge O. Rabbit Antidiethoxyphosphotyrosine Antibody, Made by Single B Cell Cloning, Detects Chlorpyrifos Oxon-Modified Proteins in Cultured Cells and Immunopurifies Modified Peptides for Mass Spectrometry. J Proteome Res 2021; 20:4728-4745. [PMID: 34469172 PMCID: PMC8491160 DOI: 10.1021/acs.jproteome.1c00383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
Chronic low-dose
exposure to organophosphorus pesticides is associated
with the risk of neurodegenerative disease. The mechanism of neurotoxicity
is independent of acetylcholinesterase inhibition. Adducts on tyrosine,
lysine, threonine, and serine can occur after exposure to organophosphorus
pesticides, the most stable being adducts on tyrosine. Rabbit monoclonal
1C6 to diethoxyphosphate-modified tyrosine (depY) was created by single
B cell cloning. The amino acid sequence and binding constant (Kd 3.2 × 10–8 M) were
determined. Cultured human neuroblastoma SH-SY5Y and mouse neuroblastoma
N2a cells incubated with a subcytotoxic dose of 10 μM chlorpyrifos
oxon contained depY-modified proteins detected by monoclonal 1C6 on
Western blots. depY-labeled peptides from tryptic digests of cell
lysates were immunopurified by binding to immobilized 1C6. Peptides
released with 50% acetonitrile and 1% formic acid were analyzed by
liquid chromatography tandem mass spectrometry (LC-MS/MS) on an Orbitrap
Fusion Lumos mass spectrometer. Protein Prospector database searches
identified 51 peptides modified on tyrosine by diethoxyphosphate in
SH-SY5Y cell lysate and 73 diethoxyphosphate-modified peptides in
N2a cell lysate. Adducts appeared most frequently on the cytoskeleton
proteins tubulin, actin, and vimentin. It was concluded that rabbit
monoclonal 1C6 can be useful for studies that aim to understand the
mechanism of neurotoxicity resulting from low-dose exposure to organophosphorus
pesticides.
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Affiliation(s)
- Seda Onder
- Department of Biochemistry, School of Pharmacy, Hacettepe University, Ankara 06100, Turkey
| | - Marco van Grol
- TNO Organisation for Applied Scientific Research, 2280 AA Rijswijk, The Netherlands
| | - Alex Fidder
- TNO Organisation for Applied Scientific Research, 2280 AA Rijswijk, The Netherlands
| | - Gaoping Xiao
- Syd Labs, Inc., Hopkinton, Massachusetts 01748, United States
| | - Daan Noort
- TNO Organisation for Applied Scientific Research, 2280 AA Rijswijk, The Netherlands
| | | | - Ozden Tacal
- Department of Biochemistry, School of Pharmacy, Hacettepe University, Ankara 06100, Turkey
| | - Lawrence M Schopfer
- Eppley Institute, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Oksana Lockridge
- Eppley Institute, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
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40
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Mathis CL, Barrios AM. Histidine phosphorylation in metalloprotein binding sites. J Inorg Biochem 2021; 225:111606. [PMID: 34555600 DOI: 10.1016/j.jinorgbio.2021.111606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 08/30/2021] [Accepted: 09/09/2021] [Indexed: 11/26/2022]
Abstract
Post-translational modifications (PTMs) are invaluable regulatory tools for the control of catalytic functionality, protein-protein interactions, and signaling pathways. Historically, the study of phosphorylation as a PTM has been focused on serine, threonine, and tyrosine residues. In contrast, the significance of mammalian histidine phosphorylation remains largely unexplored. This gap in knowledge regarding the molecular basis for histidine phosphorylation as a regulatory agent exists in part because of the relative instability of phosphorylated histidine as compared with phosphorylated serine, threonine and tyrosine. However, the unique metal binding abilities of histidine make it one of the most common metal coordinating ligands in nature, and it is interesting to consider how phosphorylation would change the metal coordinating ability of histidine, and consequently, the properties of the phosphorylated metalloprotein. In this review, we examine eleven metalloproteins that have been shown to undergo reversible histidine phosphorylation at or near their metal binding sites. These proteins are described with respect to their biological activity and structure, with a particular emphasis on how phosphohistidine may tune the primary coordination sphere and protein conformation. Furthermore, several common methods, challenges, and limitations of studying sensitive, high affinity metalloproteins are discussed.
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Affiliation(s)
- Cheryl L Mathis
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, Salt Lake City, UT 84112, United States
| | - Amy M Barrios
- Department of Medicinal Chemistry, College of Pharmacy, University of Utah, Salt Lake City, UT 84112, United States.
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41
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Jakobsson ME. Enzymology and significance of protein histidine methylation. J Biol Chem 2021; 297:101130. [PMID: 34461099 PMCID: PMC8446795 DOI: 10.1016/j.jbc.2021.101130] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/23/2021] [Accepted: 08/26/2021] [Indexed: 12/21/2022] Open
Abstract
Cells synthesize proteins using 20 standard amino acids and expand their biochemical repertoire through intricate enzyme-mediated post-translational modifications (PTMs). PTMs can either be static and represent protein editing events or be dynamically regulated as a part of a cellular response to specific stimuli. Protein histidine methylation (Hme) was an elusive PTM for over 5 decades and has only recently attracted considerable attention through discoveries concerning its enzymology, extent, and function. Here, we review the status of the Hme field and discuss the implications of Hme in physiological and cellular processes. We also review the experimental toolbox for analysis of Hme and discuss the strengths and weaknesses of different experimental approaches. The findings discussed in this review demonstrate that Hme is widespread across cells and tissues and functionally regulates key cellular processes such as cytoskeletal dynamics and protein translation. Collectively, the findings discussed here showcase Hme as a regulator of key cellular functions and highlight the regulation of this modification as an emerging field of biological research.
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Gerritsen JS, White FM. Phosphoproteomics: a valuable tool for uncovering molecular signaling in cancer cells. Expert Rev Proteomics 2021; 18:661-674. [PMID: 34468274 PMCID: PMC8628306 DOI: 10.1080/14789450.2021.1976152] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 08/31/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Many pathologies, including cancer, have been associated with aberrant phosphorylation-mediated signaling networks that drive altered cell proliferation, migration, metabolic regulation, and can lead to systemic inflammation. Phosphoproteomics, the large-scale analysis of protein phosphorylation sites, has emerged as a powerful tool to define signaling network regulation and dysregulation in normal and pathological conditions. AREAS COVERED We provide an overview of methodology for global phosphoproteomics as well as enrichment of specific subsets of the phosphoproteome, including phosphotyrosine and phospho-motif enrichment of kinase substrates. We review quantitative methods, advantages and limitations of different mass spectrometry acquisition formats, and computational approaches to extract biological insight from phosphoproteomics data. Throughout, we discuss various applications and their challenges in implementation. EXPERT OPINION Over the past 20 years the field of phosphoproteomics has advanced to enable deep biological and clinical insight through the quantitative analysis of signaling networks. Future areas of development include Clinical Laboratory Improvement Amendments (CLIA)-approved methods for analysis of clinical samples, continued improvements in sensitivity to enable analysis of small numbers of rare cells and tissue microarrays, and computational methods to integrate data resulting from multiple systems-level quantitative analytical methods.
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Affiliation(s)
- Jacqueline S Gerritsen
- Koch Institute for Integrative Cancer Research; Center for Precision Cancer Medicine; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, U.S.A
| | - Forest M White
- Koch Institute for Integrative Cancer Research; Center for Precision Cancer Medicine; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, U.S.A
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43
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Low TY, Mohtar MA, Lee PY, Omar N, Zhou H, Ye M. WIDENING THE BOTTLENECK OF PHOSPHOPROTEOMICS: EVOLVING STRATEGIES FOR PHOSPHOPEPTIDE ENRICHMENT. MASS SPECTROMETRY REVIEWS 2021; 40:309-333. [PMID: 32491218 DOI: 10.1002/mas.21636] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/11/2020] [Accepted: 05/12/2020] [Indexed: 06/11/2023]
Abstract
Phosphorylation is a form of protein posttranslational modification (PTM) that regulates many biological processes. Whereas phosphoproteomics is a scientific discipline that identifies and quantifies the phosphorylated proteome using mass spectrometry (MS). This task is extremely challenging as ~30% of the human proteome is phosphorylated; and each phosphoprotein may exist as multiple phospho-isoforms that are present in low abundance and stoichiometry. Hence, phosphopeptide enrichment techniques are indispensable to (phospho)proteomics laboratories. These enrichment methods encompass widely-adopted techniques such as (i) affinity-based chromatography; (ii) ion exchange and mixed-mode chromatography (iii) enrichment with phospho-specific antibodies and protein domains, and (iv) functionalized polymers and other less common but emerging technologies such as hydroxyapatite chromatography and precipitation with inorganic ions. Here, we review these techniques, their history, continuous development and evaluation. Besides, we outline associating challenges of phosphoproteomics that are linked to experimental design, sample preparation, and proteolytic digestion. In addition, we also discuss about the future outlooks in phosphoproteomics, focusing on elucidating the noncanonical phosphoproteome and deciphering the "dark phosphoproteome". © 2020 John Wiley & Sons Ltd.
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Affiliation(s)
- Teck Yew Low
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, 56000, Kuala Lumpur, Malaysia
| | - M Aiman Mohtar
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, 56000, Kuala Lumpur, Malaysia
| | - Pey Yee Lee
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, 56000, Kuala Lumpur, Malaysia
| | - Nursyazwani Omar
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, 56000, Kuala Lumpur, Malaysia
| | - Houjiang Zhou
- Medical Research Council (MRC) Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dow Street, Dundee, DD1 5EH, United Kingdom
| | - Mingliang Ye
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, National Chromatographic R&A Centre, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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Fan Z, Li J, Liu T, Zhang Z, Qin W, Qian X. A new tandem enrichment strategy for the simultaneous profiling of O-GlcNAcylation and phosphorylation in RNA-binding proteome. Analyst 2021; 146:1188-1197. [PMID: 33465208 DOI: 10.1039/d0an02305a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
RNA-protein interactions play important roles in almost every step of the lifetime of RNAs, such as RNA splicing, transporting, localization, translation and degradation. Post-translational modifications, such as O-GlcNAcylation and phosphorylation, and their "cross-talk" (OPCT) are essential to the activity and function regulation of RNA-binding proteins (RBPs). However, due to the extremely low abundance of O-GlcNAcylation and the lack of RBP-targeted enrichment strategies, large-scale simultaneous profiling of O-GlcNAcylation and phosphorylation on RBPs is still a challenging task. In the present study, we developed a tandem enrichment strategy combining metabolic labeling-based RNA tagging for selective purification of RBPs and HILIC-based enrichment for simultaneous O-GlcNAcylation and phosphorylation profiling. Benefiting from the sequence-independent RNA tagging by ethynyluridine (EU) labeling, 1115 RBPs binding to different types of RNAs were successfully enriched and identified by quantitative mass spectrometry (MS) analysis. Further HILIC enrichment on the tryptic-digested RBPs and MS analysis led to the first large-scale identification of O-GlcNAcylation and phosphorylation in the RNA-binding proteome, with 461 O-GlcNAc peptides corresponding to 300 RBPs and 671 phosphopeptides corresponding to 389 RBPs. Interestingly, ∼25% RBPs modified by two PTMs were found to be related to multiple metabolism pathways. This strategy has the advantage of high compatibility with MS and provides peptide-level evidence for the identification of O-GlcNAcylated RBPs. We expect it will support simultaneous mapping of O-GlcNAcylation and phosphorylation on RBPs and facilitate further elucidation of the crucial roles of OPCT in the function regulation of RBPs.
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Affiliation(s)
- Zhiya Fan
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China.
| | - Jian Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China.
| | - Tong Liu
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China.
| | - Zheng Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China. and Wuhan Prevention and Treatment Center for Occupational Diseases, Wuhan 430050, China
| | - Weijie Qin
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China.
| | - Xiaohong Qian
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing Proteome Research Center, Beijing 102206, China.
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45
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Zhao J, Zou L, Li Y, Liu X, Zeng C, Xu C, Jiang B, Guo X, Song X. HisPhosSite: A comprehensive database of histidine phosphorylated proteins and sites. J Proteomics 2021; 243:104262. [PMID: 33984507 DOI: 10.1016/j.jprot.2021.104262] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 04/14/2021] [Accepted: 05/03/2021] [Indexed: 01/15/2023]
Abstract
Histidine phosphorylation is critically important in a variety of cellular processes including signal transduction, cell cycle, proliferation, differentiation, and apoptosis. It is estimated to account for 6% of all phosphorylated amino acids. However, due to the acid lability of the PN bond, the study of pHis lags far behind that of pSer, pThr, and pTyr. Recently, the development and use of pHis-specific antibodies and methodologies have led to a resurgence in the study of histidine phosphorylation. Although a considerable number of pHis proteins and sites have been discovered, most of them have not been manually curated and integrated to any databases. There is a lack of a data repository for pHis, and such work is expected to help further systemic studies of pHis. Thus, we present a comprehensive resource database of histidine phosphorylation (HisPhosSite) by curating experimentally validated pHis proteins and sites and compiling putative pHis sites with ortholog search. HisPhosSite contains 776 verified pHis sites and 2702 verified pHis proteins in 38 eukaryotic and prokaryotic species and 15,378 putative pHis sites and 10,816 putative pHis proteins in 1366 species. HisPhosSite provides rich annotations of pHis sites and proteins and multiple search engines (including motif search and BLAST search) for users to locate pHis sites of interest. HisPhosSite is available at http://reprod.njmu.edu.cn/hisphossite. SIGNIFICANCE: Histidine phosphorylation is involved in a variety of cellular processes as well as cancers, and it has been proved to be more common than previously thought. The HisPhosSite database was developed to collect pHis data from published literatures with experimental evidences. Unification of the identified pHis proteins and sites will give researchers an informative resource for histidine phosphorylation. HisPhosSite has a user-friendly interface with multiple search engines for users to locate pHis sites of interest. In addition, the database provides rich structural and functional annotations. HisPhosSite will help future studies and elucidation of the functions of histidine phosphorylation.
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Affiliation(s)
- Jian Zhao
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Lingxiao Zou
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Yan Li
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing, Jiangsu 211166, China; Center of Pathology and Clinical Laboratory, Sir Run Run Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Xiaofei Liu
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Cong Zeng
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Chen Xu
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Bin Jiang
- College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
| | - Xuejiang Guo
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
| | - Xiaofeng Song
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
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46
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Khayachi A, Schorova L, Alda M, Rouleau GA, Milnerwood AJ. Posttranslational modifications & lithium's therapeutic effect-Potential biomarkers for clinical responses in psychiatric & neurodegenerative disorders. Neurosci Biobehav Rev 2021; 127:424-445. [PMID: 33971223 DOI: 10.1016/j.neubiorev.2021.05.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/14/2021] [Accepted: 05/03/2021] [Indexed: 01/03/2023]
Abstract
Several neurodegenerative diseases and neuropsychiatric disorders display aberrant posttranslational modifications (PTMs) of one, or many, proteins. Lithium treatment has been used for mood stabilization for many decades, and is highly effective for large subsets of patients with diverse neurological conditions. However, the differential effectiveness and mode of action are not fully understood. In recent years, studies have shown that lithium alters several protein PTMs, altering their function, and consequently neuronal physiology. The impetus for this review is to outline the links between lithium's therapeutic mode of action and PTM homeostasis. We first provide an overview of the principal PTMs affected by lithium. We then describe several neuropsychiatric disorders in which PTMs have been implicated as pathogenic. For each of these conditions, we discuss lithium's clinical use and explore the putative mechanism of how it restores PTM homeostasis, and thereby cellular physiology. Evidence suggests that determining specific PTM patterns could be a promising strategy to develop biomarkers for disease and lithium responsiveness.
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Affiliation(s)
- A Khayachi
- Montreal Neurological Institute, Department of Neurology & Neurosurgery, McGill University, Montréal, Quebec, Canada.
| | - L Schorova
- McGill University Health Center Research Institute, Montréal, Quebec, Canada
| | - M Alda
- Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
| | - G A Rouleau
- Montreal Neurological Institute, Department of Neurology & Neurosurgery, McGill University, Montréal, Quebec, Canada; Department of Human Genetics, McGill University, Montréal, Quebec, Canada.
| | - A J Milnerwood
- Montreal Neurological Institute, Department of Neurology & Neurosurgery, McGill University, Montréal, Quebec, Canada.
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47
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Xia RM, Yao DB, Cai XM, Xu XQ. LHPP-Mediated Histidine Dephosphorylation Suppresses the Self-Renewal of Mouse Embryonic Stem Cells. Front Cell Dev Biol 2021; 9:638815. [PMID: 33796530 PMCID: PMC8007871 DOI: 10.3389/fcell.2021.638815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 02/25/2021] [Indexed: 11/13/2022] Open
Abstract
Self-renewal of embryonic stem cells (ESCs) is orchestrated by a vast number of genes at the transcriptional and translational levels. However, the molecular mechanisms of post-translational regulatory factors in ESC self-renewal remain unclear. Histidine phosphorylation, also known as hidden phosphorylation, cannot be detected by conventional experimental methods. A recent study defined phospholysine phosphohistidine inorganic pyrophosphate phosphatase (LHPP) as a histidine phosphatase, which regulates various biological behaviors in cells via histidine dephosphorylation. In this study, the doxycycline (DOX)-induced hLHPP-overexpressing mouse ESCs and mouse LHPP silenced mESCs were constructed. Quantitative polymerase chain reaction (qPCR), western blotting analysis, immunofluorescence, Flow cytometry, colony formation assays, alkaline phosphatase (AP) and bromodeoxyuridine (Brdu) staining were performed. We found that the histidine phosphorylation level was strikingly reduced following LHPP overexpression. Besides, the expression of Oct4 and Lefty1, indispensable genes in the process of ESCs self-renewal, was significantly down-regulated, while markers related to the differentiation were markedly elevated. Moreover, LHPP-mediated histidine dephosphorylation induced G0/G1 phase arrest in mESCs, suggesting LHPP was implicated in cell proliferation and cell cycle. Conversely, silencing of Lhpp promoted the self-renewal of mESCs and reversed the RA induced increased expression of genes associated with differentiation. Mechanistically, our findings suggested that the enzymatic active site of LHPP was the cysteine residue at position 226, not 53. LHPP-mediated histidine dephosphorylation lowered the expression levels of β-catenin and the cell cycle-related genes CDK4 and CyclinD1, while it up-regulated the cell cycle suppressor genes P21 and P27. Taken together, our findings reveal that LHPP-mediated histidine dephosphorylation plays a role in the self-renewal of ESCs. LHPP-mediated histidine dephosphorylation inhibited the self-renewal of ESCs by negatively regulating the Wnt/β-catenin pathway and downstream cell cycle-related genes, providing a new perspective and regulatory target for ESCs self-renewal.
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Affiliation(s)
- Rong Mu Xia
- Institute of Stem Cell and Regenerative Medicine, School of Medicine, Xiamen University, Xiamen, China
| | - Dong Bo Yao
- Institute of Stem Cell and Regenerative Medicine, School of Medicine, Xiamen University, Xiamen, China
| | - Xue Min Cai
- Institute of Stem Cell and Regenerative Medicine, School of Medicine, Xiamen University, Xiamen, China
| | - Xiu Qin Xu
- Institute of Stem Cell and Regenerative Medicine, School of Medicine, Xiamen University, Xiamen, China
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48
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Incel A, Arribas Díez I, Wierzbicka C, Gajoch K, Jensen ON, Sellergren B. Selective Enrichment of Histidine Phosphorylated Peptides Using Molecularly Imprinted Polymers. Anal Chem 2021; 93:3857-3866. [PMID: 33591162 PMCID: PMC8023515 DOI: 10.1021/acs.analchem.0c04474] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
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Protein histidine
phosphorylation
(pHis) is involved in molecular signaling networks in bacteria, fungi,
plants, and higher eukaryotes including mammals and is implicated
in human diseases such as cancer. Detailed investigations of the pHis
modification are hampered due to its acid-labile nature and consequent
lack of tools to study this post-translational modification (PTM).
We here demonstrate three molecularly imprinted polymer (MIP)-based
reagents, MIP1–MIP3, for enrichment of pHis peptides and subsequent
characterization by chromatography and mass spectrometry (LC–MS).
The combination of MIP1 and β-elimination provided some selectivity
for improved detection of pHis peptides. MIP2 was amenable to larger
pHis peptides, although with poor selectivity. Microsphere-based MIP3
exhibited improved selectivity and was amenable to enrichment and
detection by LC–MS of pHis peptides in tryptic digests of protein
mixtures. These MIP protocols do not involve any acidic solvents during
sample preparation and enrichment, thus preserving the pHis modification.
The presented proof-of-concept results will lead to new protocols
for highly selective enrichment of labile protein phosphorylations
using molecularly imprinted materials.
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Affiliation(s)
- Anıl Incel
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden
| | - Ignacio Arribas Díez
- Department of Biochemistry & Molecular Biology and VILLUM Center for Bioanalytical Sciences, University of Southern Denmark, DK-5230 Odense M, Denmark
| | - Celina Wierzbicka
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden
| | - Katarzyna Gajoch
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden
| | - Ole N Jensen
- Department of Biochemistry & Molecular Biology and VILLUM Center for Bioanalytical Sciences, University of Southern Denmark, DK-5230 Odense M, Denmark
| | - Börje Sellergren
- Department of Biomedical Science, Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden
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49
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Structural basis for differential recognition of phosphohistidine-containing peptides by 1-pHis and 3-pHis monoclonal antibodies. Proc Natl Acad Sci U S A 2021; 118:2010644118. [PMID: 33547238 PMCID: PMC8017925 DOI: 10.1073/pnas.2010644118] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In 2015, monoclonal antibodies (mAbs) that selectively recognize the 1-pHis or 3-pHis isoforms of phosphohistidine were developed by immunizing rabbits with degenerate Ala/Gly peptides containing the nonhydrolyzable phosphohistidine (pHis) analog- phosphotriazolylalanine (pTza). Here, we report structures of five rabbit mAbs bound to cognate pTza peptides: SC1-1 and SC50-3 that recognize 1-pHis, and their 3-pHis-specific counterparts, SC39-4, SC44-8, and SC56-2. These cocrystal structures provide insights into the binding modes of the pTza phosphate group that are distinct for the 1- and 3-pHis mAbs with the selectivity arising from specific contacts with the phosphate group and triazolyl ring. The mode of phosphate recognition in the 3-pHis mAbs recapitulates the Walker A motif, as present in kinases. The complementarity-determining regions (CDRs) of four of the Fabs interact with the peptide backbone rather than peptide side chains, thus conferring sequence independence, whereas SC44-8 shows a proclivity for binding a GpHAGA motif mediated by a sterically complementary CDRL3 loop. Specific hydrogen bonding with the triazolyl ring precludes recognition of pTyr and other phosphoamino acids by these mAbs. Kinetic binding experiments reveal that the affinity of pHis mAbs for pHis and pTza peptides is submicromolar. Bound pHis mAbs also shield the pHis peptides from rapid dephosphorylation. The epitope-paratope interactions illustrate how these anti-pHis antibodies are useful for a wide range of research techniques and this structural information can be utilized to improve the specificity and affinity of these antibodies toward a variety of pHis substrates to understand the role of histidine phosphorylation in healthy and diseased states.
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50
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Lim Kam Sian TCC, Chüeh AC, Daly RJ. Proteomics-based interrogation of the kinome and its implications for precision oncology. Proteomics 2021; 21:e2000161. [PMID: 33547865 DOI: 10.1002/pmic.202000161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/22/2021] [Accepted: 01/27/2021] [Indexed: 12/11/2022]
Abstract
The identification of specific protein kinases as oncogenic drivers in a variety of cancer types, coupled with the clinical success of particular kinase-directed targeted therapies, has cemented the human kinome as an attractive source of "actionable" targets for cancer therapy. However, "mining" of the human kinome for precision oncology applications has yet to yield its full potential. This reflects a variety of issues, including oncogenic kinase dysregulation at levels not detectable by genomic sequencing and the uncharacterized nature of a considerable fraction of the kinome. In addition, selective therapeutic targeting of specific kinases requires efficient mapping of total kinome space impacted by candidate small molecule drugs. Fortunately, recent developments in proteomics techniques, particularly in mass spectrometry-based phosphoproteomics and kinomics, provide the necessary technology platforms to address these impediments. Moreover, initiatives such as the Clinical Proteomic Tumour Analysis Consortium have enabled the generation, deposition and integration of genomic, transcriptomic and (phospho)proteomic data for many cancer types, providing unprecedented insights into oncogenic kinases and cancer cell signalling generally. These multi-omic data are identifying novel therapeutic targets, highlighting opportunities for drug re-purposing, and helping assign optimal therapies to specific tumour subtypes, heralding a new era of "enhanced" precision oncology.
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Affiliation(s)
- Terry C C Lim Kam Sian
- Cancer Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Anderly C Chüeh
- Cancer Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Roger J Daly
- Cancer Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
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