1
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Dunkelmann DL, Chin JW. Engineering Pyrrolysine Systems for Genetic Code Expansion and Reprogramming. Chem Rev 2024. [PMID: 39235427 DOI: 10.1021/acs.chemrev.4c00243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
Over the past 16 years, genetic code expansion and reprogramming in living organisms has been transformed by advances that leverage the unique properties of pyrrolysyl-tRNA synthetase (PylRS)/tRNAPyl pairs. Here we summarize the discovery of the pyrrolysine system and describe the unique properties of PylRS/tRNAPyl pairs that provide a foundation for their transformational role in genetic code expansion and reprogramming. We describe the development of genetic code expansion, from E. coli to all domains of life, using PylRS/tRNAPyl pairs, and the development of systems that biosynthesize and incorporate ncAAs using pyl systems. We review applications that have been uniquely enabled by the development of PylRS/tRNAPyl pairs for incorporating new noncanonical amino acids (ncAAs), and strategies for engineering PylRS/tRNAPyl pairs to add noncanonical monomers, beyond α-L-amino acids, to the genetic code of living organisms. We review rapid progress in the discovery and scalable generation of mutually orthogonal PylRS/tRNAPyl pairs that can be directed to incorporate diverse ncAAs in response to diverse codons, and we review strategies for incorporating multiple distinct ncAAs into proteins using mutually orthogonal PylRS/tRNAPyl pairs. Finally, we review recent advances in the encoded cellular synthesis of noncanonical polymers and macrocycles and discuss future developments for PylRS/tRNAPyl pairs.
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Affiliation(s)
- Daniel L Dunkelmann
- Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, England, United Kingdom
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Jason W Chin
- Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, England, United Kingdom
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2
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Yang X, Su XC, Xuan W. Genetically Encoded Photocaged Proteinogenic and Non-Proteinogenic Amino Acids. Chembiochem 2024; 25:e202400393. [PMID: 38831474 DOI: 10.1002/cbic.202400393] [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: 04/30/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/05/2024]
Abstract
Photocaged amino acids could be genetically encoded into proteins via genetic code expansion (GCE) and constitute unique tools for innovative protein engineering. There are a number of photocaged proteinogenic amino acids that allow strategic conversion of proteins into their photocaged variants, thus enabling spatiotemporal and non-invasive regulation of protein functions using light. Meanwhile, there are a hand of photocaged non-proteinogenic amino acids that address the challenges in directly encoding certain non-canonical amino acids (ncAAs) that structurally resemble proteinogenic ones or possess highly reactive functional groups. Herein, we would like to summarize the efforts in encoding photocaged proteinogenic and non-proteinogenic amino acids, hoping to draw more attention to this fruitful and exciting scientific campaign.
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Affiliation(s)
- Xiaochen Yang
- Frontier Science Center for Synthetic Biology (Ministry of Education), School of Life Sciences, Faculty of Medicine, Tianjin University, Tianjin, 300072, China
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xun-Cheng Su
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Weimin Xuan
- Frontier Science Center for Synthetic Biology (Ministry of Education), School of Life Sciences, Faculty of Medicine, Tianjin University, Tianjin, 300072, China
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3
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Niu W, Guo J. Cellular Site-Specific Incorporation of Noncanonical Amino Acids in Synthetic Biology. Chem Rev 2024. [PMID: 39207844 DOI: 10.1021/acs.chemrev.3c00938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Over the past two decades, genetic code expansion (GCE)-enabled methods for incorporating noncanonical amino acids (ncAAs) into proteins have significantly advanced the field of synthetic biology while also reaping substantial benefits from it. On one hand, they provide synthetic biologists with a powerful toolkit to enhance and diversify biological designs beyond natural constraints. Conversely, synthetic biology has not only propelled the development of ncAA incorporation through sophisticated tools and innovative strategies but also broadened its potential applications across various fields. This Review delves into the methodological advancements and primary applications of site-specific cellular incorporation of ncAAs in synthetic biology. The topics encompass expanding the genetic code through noncanonical codon addition, creating semiautonomous and autonomous organisms, designing regulatory elements, and manipulating and extending peptide natural product biosynthetic pathways. The Review concludes by examining the ongoing challenges and future prospects of GCE-enabled ncAA incorporation in synthetic biology and highlighting opportunities for further advancements in this rapidly evolving field.
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Affiliation(s)
- Wei Niu
- Department of Chemical & Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
- The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Jiantao Guo
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
- The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
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4
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Yi HB, Lee S, Seo K, Kim H, Kim M, Lee HS. Cellular and Biophysical Applications of Genetic Code Expansion. Chem Rev 2024; 124:7465-7530. [PMID: 38753805 DOI: 10.1021/acs.chemrev.4c00112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Despite their diverse functions, proteins are inherently constructed from a limited set of building blocks. These compositional constraints pose significant challenges to protein research and its practical applications. Strategically manipulating the cellular protein synthesis system to incorporate novel building blocks has emerged as a critical approach for overcoming these constraints in protein research and application. In the past two decades, the field of genetic code expansion (GCE) has achieved significant advancements, enabling the integration of numerous novel functionalities into proteins across a variety of organisms. This technological evolution has paved the way for the extensive application of genetic code expansion across multiple domains, including protein imaging, the introduction of probes for protein research, analysis of protein-protein interactions, spatiotemporal control of protein function, exploration of proteome changes induced by external stimuli, and the synthesis of proteins endowed with novel functions. In this comprehensive Review, we aim to provide an overview of cellular and biophysical applications that have employed GCE technology over the past two decades.
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Affiliation(s)
- Han Bin Yi
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Seungeun Lee
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Kyungdeok Seo
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Hyeongjo Kim
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Minah Kim
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Hyun Soo Lee
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
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5
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Chen PH, Guo XS, Zhang HE, Dubey GK, Geng ZZ, Fierke CA, Xu S, Hampton JT, Liu WR. Leveraging a Phage-Encoded Noncanonical Amino Acid: A Novel Pathway to Potent and Selective Epigenetic Reader Protein Inhibitors. ACS CENTRAL SCIENCE 2024; 10:782-792. [PMID: 38680566 PMCID: PMC11046469 DOI: 10.1021/acscentsci.3c01419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 05/01/2024]
Abstract
Epigenetic reader proteins interpret histone epigenetic marks to regulate gene expression. Given their vital roles and the link between their dysfunction and various diseases, these proteins present compelling targets for therapeutic interventions. Nevertheless, designing selective inhibitors for these proteins poses significant challenges, primarily due to their unique properties such as shallow binding sites and similarities with homologous proteins. To overcome these challenges, we propose an innovative strategy that uses phage display with a genetically encoded noncanonical amino acid (ncAA) containing an epigenetic mark. This ncAA guides binding to the reader protein's active site, allowing the identification of peptide inhibitors with enhanced affinity and selectivity. In this study, we demonstrate this novel approach's effectiveness by identifying potent inhibitors for the ENL YEATS domain that plays a critical role in leukemogenesis. Our strategy involved genetically incorporating Nε-butyryl-l-lysine (BuK), known for its binding to ENL YEATS, into a phage display library for enriching the pool of potent inhibitors. One resultant hit was further optimized by substituting BuK with other pharmacophores to exploit a unique π-π-π stacking interaction with ENL YEATS. This led to the creation of selective ENL YEATS inhibitors with a KD value of 2.0 nM and a selectivity 28 times higher for ENL YEATS than its close homologue AF9 YEATS. One such inhibitor, tENL-S1f, demonstrated robust cellular target engagement and on-target effects to inhibit leukemia cell growth and suppress the expression of ENL target genes. As a pioneering study, this work opens up extensive avenues for the development of potent and selective peptidyl inhibitors for a broad spectrum of epigenetic reader proteins.
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Affiliation(s)
- Peng-Hsun
Chase Chen
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Xuejiao Shirley Guo
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Hanyuan Eric Zhang
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Gopal K. Dubey
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Zhi Zachary Geng
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Carol A. Fierke
- Department
of Biochemistry, Brandeis University, Waltham, Massachusetts 02453, United States
| | - Shiqing Xu
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
- Department
of Pharmaceutical Sciences, Texas A&M
University, College
Station, Texas 77843, United States
| | - J. Trae Hampton
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Wenshe Ray Liu
- Texas
A&M Drug Discovery Center and Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
- Department
of Pharmaceutical Sciences, Texas A&M
University, College
Station, Texas 77843, United States
- Institute
of Biosciences and Technology and Department of Translational Medical
Sciences, College of Medicine, Texas A&M
University, Houston, Texas 77030, United States
- Department
of Biochemistry and Biophysics, Texas A&M
University, College
Station, Texas 77843, United States
- Department
of Cell Biology and Genetics, College of Medicine, Texas A&M University, College Station, Texas 77843, United States
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6
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Gan Q, Fan C. Orthogonal Translation for Site-Specific Installation of Post-translational Modifications. Chem Rev 2024; 124:2805-2838. [PMID: 38373737 PMCID: PMC11230630 DOI: 10.1021/acs.chemrev.3c00850] [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] [Indexed: 02/21/2024]
Abstract
Post-translational modifications (PTMs) endow proteins with new properties to respond to environmental changes or growth needs. With the development of advanced proteomics techniques, hundreds of distinct types of PTMs have been observed in a wide range of proteins from bacteria, archaea, and eukarya. To identify the roles of these PTMs, scientists have applied various approaches. However, high dynamics, low stoichiometry, and crosstalk between PTMs make it almost impossible to obtain homogeneously modified proteins for characterization of the site-specific effect of individual PTM on target proteins. To solve this problem, the genetic code expansion (GCE) strategy has been introduced into the field of PTM studies. Instead of modifying proteins after translation, GCE incorporates modified amino acids into proteins during translation, thus generating site-specifically modified proteins at target positions. In this review, we summarize the development of GCE systems for orthogonal translation for site-specific installation of PTMs.
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Affiliation(s)
- Qinglei Gan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States
| | - Chenguang Fan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, Arkansas 72701, United States
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7
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Niu W, Guo J. Co-translational Installation of Posttranslational Modifications by Non-canonical Amino Acid Mutagenesis. Chembiochem 2023; 24:e202300039. [PMID: 36853967 PMCID: PMC10202221 DOI: 10.1002/cbic.202300039] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 03/02/2023]
Abstract
Protein posttranslational modifications (PTMs) play critical roles in regulating cellular activities. Here we provide a survey of genetic code expansion (GCE) methods that were applied in the co-translational installation and studies of PTMs through noncanonical amino acid (ncAA) mutagenesis. We begin by reviewing types of PTM that have been installed by GCE with a focus on modifications of tyrosine, serine, threonine, lysine, and arginine residues. We also discuss examples of applying these methods in biological studies. Finally, we end the piece with a short discussion on the challenges and the opportunities of the field.
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Affiliation(s)
- Wei Niu
- Department of Chemical and Biomolecular Engineering, University of Nebraska-Lincoln, Lincoln, N-68588, USA
- The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, NE-68588, USA
| | - Jiantao Guo
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE-68588, USA
- The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, NE-68588, USA
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8
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Peng T, Das T, Ding K, Hang HC. Functional analysis of protein post-translational modifications using genetic codon expansion. Protein Sci 2023; 32:e4618. [PMID: 36883310 PMCID: PMC10031814 DOI: 10.1002/pro.4618] [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: 01/05/2023] [Revised: 02/23/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023]
Abstract
Post-translational modifications (PTMs) of proteins not only exponentially increase the diversity of proteoforms, but also contribute to dynamically modulating the localization, stability, activity, and interaction of proteins. Understanding the biological consequences and functions of specific PTMs has been challenging for many reasons, including the dynamic nature of many PTMs and the technical limitations to access homogenously modified proteins. The genetic code expansion technology has emerged to provide unique approaches for studying PTMs. Through site-specific incorporation of unnatural amino acids (UAAs) bearing PTMs or their mimics into proteins, genetic code expansion allows the generation of homogenous proteins with site-specific modifications and atomic resolution both in vitro and in vivo. With this technology, various PTMs and mimics have been precisely introduced into proteins. In this review, we summarize the UAAs and approaches that have been recently developed to site-specifically install PTMs and their mimics into proteins for functional studies of PTMs.
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Affiliation(s)
- Tao Peng
- State Key Laboratory of Chemical OncogenomicsSchool of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhenChina
- Institute of Chemical Biology, Shenzhen Bay LaboratoryShenzhenChina
| | - Tandrila Das
- Departments of Immunology and Microbiology and ChemistryScripps ResearchLa JollaCaliforniaUSA
| | - Ke Ding
- State Key Laboratory of Chemical OncogenomicsSchool of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate SchoolShenzhenChina
| | - Howard C. Hang
- Departments of Immunology and Microbiology and ChemistryScripps ResearchLa JollaCaliforniaUSA
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9
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Christopher JA, Galbada Liyanage SA, Nicholson EM, Kinney WD, Cropp TA. Genetic encoding of isobutyryl-, isovaleryl-, and β-hydroxybutryl-lysine in E. coli. RSC Adv 2022; 12:34142-34144. [PMID: 36545614 PMCID: PMC9706372 DOI: 10.1039/d2ra04898a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/19/2022] [Indexed: 11/30/2022] Open
Abstract
Here we report the synthesis and genetic encoding of the lysine post translational modifications, β-hydroxybutyryl-lysine, isobutyryl-lysine and isovaleryl-lysine. The ability to obtain a homogenous protein samples with site-specific incorporation of these acylated lysine residues can serve as a powerful tool to study the biological role of lysine post translational modifications.
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Affiliation(s)
| | | | - Eve M. Nicholson
- Department of Chemistry, Virginia Commonwealth UniversityRichmondVA 23284USA
| | - William D. Kinney
- Department of Chemistry, Virginia Commonwealth UniversityRichmondVA 23284USA
| | - T. Ashton Cropp
- Department of Chemistry, Virginia Commonwealth UniversityRichmondVA 23284USA
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10
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Poulou E, Hackenberger CPR. Staudinger Ligation and Reactions – From Bioorthogonal Labeling to Next‐Generation Biopharmaceuticals. Isr J Chem 2022. [DOI: 10.1002/ijch.202200057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eleftheria Poulou
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) Robert-Rössle-Strasse 10 13125 Berlin Germany
- Department of Chemistry Humboldt Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Christian P. R. Hackenberger
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) Robert-Rössle-Strasse 10 13125 Berlin Germany
- Department of Chemistry Humboldt Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
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11
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Maas MN, Hintzen JCJ, Mecinović J. Probing lysine posttranslational modifications by unnatural amino acids. Chem Commun (Camb) 2022; 58:7216-7231. [PMID: 35678513 DOI: 10.1039/d2cc00708h] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Posttranslational modifications, typically small chemical tags attached on amino acids following protein biosynthesis, have a profound effect on protein structure and function. Numerous chemically and structurally diverse posttranslational modifications, including methylation, acetylation, hydroxylation, and ubiquitination, have been identified and characterised on lysine residues in proteins. In this feature article, we focus on chemical tools that rely on the site-specific incorporation of unnatural amino acids into peptides and proteins to probe posttranslational modifications of lysine. We highlight that simple amino acid mimics enable detailed mechanistic and functional assignment of enzymes that install and remove such modifications, and proteins that specifically recognise lysine posttranslational modifications.
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Affiliation(s)
- Marijn N Maas
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark.
| | - Jordi C J Hintzen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark.
| | - Jasmin Mecinović
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark.
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12
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Xie Y, Du S, Liu Z, Liu M, Xu Z, Wang X, Kee JX, Yi F, Sun H, Yao SQ. Chemical Biology Tools for Protein Lysine Acylation. Angew Chem Int Ed Engl 2022; 61:e202200303. [PMID: 35302274 DOI: 10.1002/anie.202200303] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Indexed: 01/10/2023]
Abstract
Lysine acylation plays pivotal roles in cell physiology, including DNA transcription and repair, signal transduction, immune defense, metabolism, and many other key cellular processes. Molecular mechanisms of dysregulated lysine acylation are closely involved in the pathophysiological progress of many human diseases, most notably cancers. In recent years, chemical biology tools have become instrumental in studying the function of post-translational modifications (PTMs), identifying new "writers", "erasers" and "readers", and in targeted therapies. Here, we describe key developments in chemical biology approaches that have advanced the study of lysine acylation and its regulatory proteins (2016-2021). We further discuss the discovery of ligands (inhibitors and PROTACs) that are capable of targeting regulators of lysine acylation. Next, we discuss some current challenges of these chemical biology probes and suggest how chemists and biologists can utilize chemical probes with more discriminating capacity. Finally, we suggest some critical considerations in future studies of PTMs from our perspective.
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Affiliation(s)
- Yusheng Xie
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Shubo Du
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Zhiyang Liu
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Min Liu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Zhiqiang Xu
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Xiaojie Wang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Jia Xuan Kee
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Fan Yi
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Hongyan Sun
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
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13
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Xie Y, Du S, Liu Z, Liu M, Xu Z, Wang X, Kee JX, Yi F, Sun H, Yao SQ. Chemical Biology Tools for Protein Lysine Acylation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yusheng Xie
- Shandong University School of Basic Medical Science 250012 Jinan CHINA
| | - Shubo Du
- National University of Singapore Department of Chemistry SINGAPORE
| | - Zhiyang Liu
- City University of Hong Kong chemistry HONG KONG
| | - Min Liu
- Shandong University School of Basic Medical Sciences CHINA
| | - Zhiqiang Xu
- City University of Hong Kong Department of Chemistry HONG KONG
| | - Xiaojie Wang
- Shandong University School of Basic Medical Sciences CHINA
| | - Jia Xuan Kee
- National University of Singapore Chemistry SINGAPORE
| | - Fan Yi
- Shandong University School of basic medical sciences CHINA
| | - Hongyan Sun
- City University of Hong Kong department of chemistry HONG KONG
| | - Shao Q. Yao
- National University of Singapore Department of Chemistry 3 Science Dr. 117543 Singapore SINGAPORE
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14
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Zang J, Chen Y, Liu C, Lin S. Probing the Role of Aurora Kinase A Threonylation with Site-Specific Lysine Threonylation. ACS Chem Biol 2022; 18:674-678. [PMID: 35230082 DOI: 10.1021/acschembio.1c00682] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Protein post-translational modifications play central roles in regulating protein functions. Lysine threonylation is a newly discovered reversible post-translational modification. However, the biological effect of lysine threonylation on proteins remains largely elusive. Here we report a chemical biology approach for site-specific incorporation of Nε-threonyllysine into proteins with high efficiency and investigate the biological effect of lysine threonylation on Aurora kinase A. Using this unnatural amino acid mutagenesis approach, we find that threonylation of Lys162 of Aurora kinase A inhibits its kinase activity both in vitro and in vivo and that the inhibitory effect can be reversed by the deacetylase Sirtuin 3, which removes the threonylated group from the lysine. Additionally, threonylation of Aurora kinase A makes its substrate p53 more stable in the cell. Therefore, our study demonstrates that site-specific lysine threonylation is a powerful method for probing the biological effect of protein threonylation.
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Affiliation(s)
- Jia Zang
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Yulin Chen
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Chao Liu
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Shixian Lin
- Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
- Cancer Center, Zhejiang University, Hangzhou 310058, China
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15
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Wang ZA, Whedon SD, Wu M, Wang S, Brown EA, Anmangandla A, Regan L, Lee K, Du J, Hong JY, Fairall L, Kay T, Lin H, Zhao Y, Schwabe JWR, Cole PA. Histone H2B Deacylation Selectivity: Exploring Chromatin's Dark Matter with an Engineered Sortase. J Am Chem Soc 2022; 144:3360-3364. [PMID: 35175758 PMCID: PMC8895396 DOI: 10.1021/jacs.1c13555] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We describe a new method to produce histone H2B by semisynthesis with an engineered sortase transpeptidase. N-Terminal tail site-specifically modified acetylated, lactylated, and β-hydroxybutyrylated histone H2Bs were incorporated into nucleosomes and investigated as substrates of histone deacetylase (HDAC) complexes and sirtuins. A wide range of rates and site-specificities were observed by these enzyme forms suggesting distinct biological roles in regulating chromatin structure and epigenetics.
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Affiliation(s)
- Zhipeng A Wang
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Samuel D Whedon
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Mingxuan Wu
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Siyu Wang
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell Biology, University of Leicester, Leicester, LE1 7RH, United Kingdom
| | - Edward A Brown
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell Biology, University of Leicester, Leicester, LE1 7RH, United Kingdom
| | - Ananya Anmangandla
- Howard Hughes Medical Institute; Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Liam Regan
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell Biology, University of Leicester, Leicester, LE1 7RH, United Kingdom
| | - Kwangwoon Lee
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Jianfeng Du
- The Ben May Department for Cancer Research, Chicago, Illinois 60637, United States
| | - Jun Young Hong
- Howard Hughes Medical Institute; Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Louise Fairall
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell Biology, University of Leicester, Leicester, LE1 7RH, United Kingdom
| | - Taylor Kay
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Hening Lin
- Howard Hughes Medical Institute; Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Yingming Zhao
- The Ben May Department for Cancer Research, Chicago, Illinois 60637, United States
| | - John W R Schwabe
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell Biology, University of Leicester, Leicester, LE1 7RH, United Kingdom
| | - Philip A Cole
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, United States.,Department of Biological Chemistry and Molecular Pharmcology, Harvard Medical School, Boston, Massachusetts 02115, United States
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16
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Dean Cho CC, Blankenship LR, Ma X, Xu S, Liu W. The Pyrrolysyl-tRNA Synthetase Activity can be Improved by a P188 Mutation that Stabilizes the Full-Length Enzyme. J Mol Biol 2022; 434:167453. [PMID: 35033561 PMCID: PMC9018550 DOI: 10.1016/j.jmb.2022.167453] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/18/2021] [Accepted: 01/09/2022] [Indexed: 11/24/2022]
Abstract
The amber suppression-based noncanonical amino acid (ncAA) mutagenesis technique has been widely used in both basic and applied research. So far more than two hundred ncAAs have been genetically encoded by amber codon in both prokaryotes and eukaryotes using wild-type and engineered pyrrolysyl-tRNA synthetase (PylRS)-tRNAPyl (PylT) pairs. Methanosarcina mazei PylRS (MmPylRS) is arguably one of two most used PylRS variants. However, it contains an unstable N-terminal domain that is usually cleaved from the full-length protein during expression and therefore leads to a low enzyme activity. We discovered that the cleavage takes place after A189 and this cleavage is inhibited when MmPylRS is co-expressed with Ca. Methanomethylophilus alvus tRNAPyl (CmaPylT). In the presence of CmaPylT, MmPylRS is cleaved after an alternative site K110. MmPylRS is active toward CmaPylT. Its combined use with CmaPylT leads to enhanced incorporation of Nε-Boc-lysine (BocK) at amber codon. To prevent MmPylRS from cleavage after A189 in the presence of its cognate M. mazei tRNAPyl (MmPylT), we introduced mutations at P188. Our results indicated that the P188G mutation stabilizes MmPylRS. We showed that the P188G mutation in wild-type MmPylRS or its engineered variants allows enhanced incorporation of BocK and other noncanonical amino acids including Nε-acetyl-lysine when they are co-expressed with MmPylT.
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Affiliation(s)
- Chia-Chuan Dean Cho
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Lauren R Blankenship
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Xinyu Ma
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Shiqing Xu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Wenshe Liu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; Institute of Biosciences and Technology and Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX 77030, USA; Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular and Cellular Medicine, College of Medicine, Texas A&M University, College Station, TX 77843, USA.
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17
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Applications of genetic code expansion in studying protein post-translational modification. J Mol Biol 2021; 434:167424. [PMID: 34971673 DOI: 10.1016/j.jmb.2021.167424] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/19/2021] [Accepted: 12/21/2021] [Indexed: 01/18/2023]
Abstract
Various post-translational modifications can naturally occur on proteins, regulating the activity, subcellular localization, interaction, or stability of the proteins. However, it can be challenging to decipher the biological implication or physiological roles of site-specific modifications due to their dynamic and sub-stoichiometric nature. Genetic code expansion method, relying on an orthogonal aminoacyl-tRNA synthetase/tRNA pair, enables site-specific incorporation of non-canonical amino acids. Here we focus on the application of genetic code expansion to study site-specific protein post-translational modification in vitro and in vivo. After a brief introduction, we discuss possibilities of incorporating non-canonical amino acids containing post-translational modifications or their mimics into target proteins. This approach is applicable for Ser/Thr/Tyr phosphorylation, Tyr sulfation and nitration, Lys acetylation and acylation, Lys/His mono-methylation, as well as Arg citrullination. The next section describes the use of a precursor non-canonical amino acid followed by chemical and/or enzymatic reactions to afford the desired modification, such as Cys/Lys acylation, ubiquitin and ubiquitin-like modifications, as well as Lys/Gln methylation. We also discuss means for functional regulation of enzymes involving in post-translational modifications through genetically incorporated non-canonical amino acids. Lastly, the limitations and perspectives of genetic code expansion in studying protein post-translational modification are described.
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18
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Hu QL, Liu JT, Li J, Ge Y, Song Z, Chan ASC, Xiong XF. Demethylative Alkylation of Methionine Residue by Employing the Sulfonium as the Key Intermediate. Org Lett 2021; 23:8543-8548. [PMID: 34669410 DOI: 10.1021/acs.orglett.1c03241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Methionine (Met) offers a valuable handle to achieve peptide chemical modification owing to its unique thioether functional group. In contrast with cysteine, the site-selective functionalization of the hydrophobic and redox-sensitive thioether motif on peptides is still challenging, and strategies for diversification on the Met residue are rarely disclosed. Herein we report a transition-metal-free and redox-neutral approach for Met diversification with substrate diversity, which could be applied to synthesize cyclic peptides.
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Affiliation(s)
- Qi-Long Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Jia-Tian Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Jian Li
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Yang Ge
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Zhendong Song
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Albert S C Chan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
| | - Xiao-Feng Xiong
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, 510006 Guangzhou, Guangdong, P. R. China
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19
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Heiss TK, Dorn RS, Prescher JA. Bioorthogonal Reactions of Triarylphosphines and Related Analogues. Chem Rev 2021; 121:6802-6849. [PMID: 34101453 PMCID: PMC10064493 DOI: 10.1021/acs.chemrev.1c00014] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bioorthogonal phosphines were introduced in the context of the Staudinger ligation over 20 years ago. Since that time, phosphine probes have been used in myriad applications to tag azide-functionalized biomolecules. The Staudinger ligation also paved the way for the development of other phosphorus-based chemistries, many of which are widely employed in biological experiments. Several reviews have highlighted early achievements in the design and application of bioorthogonal phosphines. This review summarizes more recent advances in the field. We discuss innovations in classic Staudinger-like transformations that have enabled new biological pursuits. We also highlight relative newcomers to the bioorthogonal stage, including the cyclopropenone-phosphine ligation and the phospha-Michael reaction. The review concludes with chemoselective reactions involving phosphite and phosphonite ligations. For each transformation, we describe the overall mechanism and scope. We also showcase efforts to fine-tune the reagents for specific functions. We further describe recent applications of the chemistries in biological settings. Collectively, these examples underscore the versatility and breadth of bioorthogonal phosphine reagents.
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20
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Margiola S, Gerecht K, Müller MM. Semisynthetic 'designer' p53 sheds light on a phosphorylation-acetylation relay. Chem Sci 2021; 12:8563-8570. [PMID: 34221338 PMCID: PMC8221199 DOI: 10.1039/d1sc00396h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/18/2021] [Indexed: 12/15/2022] Open
Abstract
The tumor suppressor protein p53 is a master regulator of cell fate. The activity of p53 is controlled by a plethora of posttranslational modifications (PTMs). However, despite extensive research, the mechanisms of this regulation are still poorly understood due to a paucity of biochemical studies with p53 carrying defined PTMs. Here, we report a protein semi-synthesis approach to access site-specifically modified p53. We synthesized a set of chemically homogeneous full-length p53 carrying one (Ser20ph and Ser15ph) or two (Ser15,20ph) naturally occurring, damage-associated phosphoryl marks. Refolding and biochemical characterization of semisynthetic p53 variants confirmed their structural and functional integrity. Furthermore, we show that phosphorylation within the N-terminal domain directly enhances p300-dependent acetylation approximately twofold, consistent with the role of these marks in p53 activation. Given that the p53 N-terminus is a hotspot for PTMs, we believe that our approach will contribute greatly to a mechanistic understanding of how p53 is controlled by PTMs.
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Affiliation(s)
- Sofia Margiola
- Department of Chemistry, King's College London 7 Trinity Street London SE1 1DB UK
| | - Karola Gerecht
- Department of Chemistry, King's College London 7 Trinity Street London SE1 1DB UK
| | - Manuel M Müller
- Department of Chemistry, King's College London 7 Trinity Street London SE1 1DB UK
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21
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Qiao Y, Yu G, Leeuwon SZ, Liu WR. Site-Specific Conversion of Cysteine in a Protein to Dehydroalanine Using 2-Nitro-5-thiocyanatobenzoic Acid. Molecules 2021; 26:2619. [PMID: 33947165 PMCID: PMC8125731 DOI: 10.3390/molecules26092619] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 01/21/2023] Open
Abstract
Dehydroalanine exists natively in certain proteins and can also be chemically made from the protein cysteine. As a strong Michael acceptor, dehydroalanine in proteins has been explored to undergo reactions with different thiolate reagents for making close analogues of post-translational modifications (PTMs), including a variety of lysine PTMs. The chemical reagent 2-nitro-5-thiocyanatobenzoic acid (NTCB) selectively modifies cysteine to form S-cyano-cysteine, in which the S-Cβ bond is highly polarized. We explored the labile nature of this bond for triggering E2 elimination to generate dehydroalanine. Our results indicated that when cysteine is at the flexible C-terminal end of a protein, the dehydroalanine formation is highly effective. We produced ubiquitin and ubiquitin-like proteins with a C-terminal dehydroalanine residue with high yields. When cysteine is located at an internal region of a protein, the efficiency of the reaction varies with mainly hydrolysis products observed. Dehydroalanine in proteins such as ubiquitin and ubiquitin-like proteins can serve as probes for studying pathways involving ubiquitin and ubiquitin-like proteins and it is also a starting point to generate proteins with many PTM analogues; therefore, we believe that this NTCB-triggered dehydroalanine formation method will find broad applications in studying ubiquitin and ubiquitin-like protein pathways and the functional annotation of many PTMs in proteins such as histones.
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Affiliation(s)
- Yuchen Qiao
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.Q.); (G.Y.); (S.Z.L.)
| | - Ge Yu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.Q.); (G.Y.); (S.Z.L.)
| | - Sunshine Z. Leeuwon
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.Q.); (G.Y.); (S.Z.L.)
| | - Wenshe Ray Liu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.Q.); (G.Y.); (S.Z.L.)
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
- Molecular & Cellular Medicine Department, College of Medicine, Texas A&M University, College Station, TX 77843, USA
- Institute of Biosciences and Technology and Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX 77030, USA
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22
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Ji Y, Ren C, Miao H, Pang Z, Xiao R, Yang X, Xuan W. Genetically encoding ε-N-benzoyllysine in proteins. Chem Commun (Camb) 2021; 57:1798-1801. [DOI: 10.1039/d0cc07954e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Genetically encoding BzK can facilitate the biological investigation of the recently discovered protein PTM lysine ε-N-benzoylation.
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Affiliation(s)
- Yanli Ji
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Conghui Ren
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Hui Miao
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Zhili Pang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Ruotong Xiao
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Xiaochen Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Weimin Xuan
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- China
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23
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Beyer JN, Raniszewski NR, Burslem GM. Advances and Opportunities in Epigenetic Chemical Biology. Chembiochem 2020; 22:17-42. [PMID: 32786101 DOI: 10.1002/cbic.202000459] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/10/2020] [Indexed: 12/13/2022]
Abstract
The study of epigenetics has greatly benefited from the development and application of various chemical biology approaches. In this review, we highlight the key targets for modulation and recent methods developed to enact such modulation. We discuss various chemical biology techniques to study DNA methylation and the post-translational modification of histones as well as their effect on gene expression. Additionally, we address the wealth of protein synthesis approaches to yield histones and nucleosomes bearing epigenetic modifications. Throughout, we highlight targets that present opportunities for the chemical biology community, as well as exciting new approaches that will provide additional insight into the roles of epigenetic marks.
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Affiliation(s)
- Jenna N Beyer
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - Nicole R Raniszewski
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - George M Burslem
- Department of Biochemistry and Biophysics Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA.,Department of Cancer Biology and Epigenetics Institute Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
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24
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Wang ZA, Cole PA. The Chemical Biology of Reversible Lysine Post-translational Modifications. Cell Chem Biol 2020; 27:953-969. [PMID: 32698016 PMCID: PMC7487139 DOI: 10.1016/j.chembiol.2020.07.002] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/09/2020] [Accepted: 07/01/2020] [Indexed: 12/31/2022]
Abstract
Lysine (Lys) residues in proteins undergo a wide range of reversible post-translational modifications (PTMs), which can regulate enzyme activities, chromatin structure, protein-protein interactions, protein stability, and cellular localization. Here we discuss the "writers," "erasers," and "readers" of some of the common protein Lys PTMs and summarize examples of their major biological impacts. We also review chemical biology approaches, from small-molecule probes to protein chemistry technologies, that have helped to delineate Lys PTM functions and show promise for a diverse set of biomedical applications.
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Affiliation(s)
- Zhipeng A Wang
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 77 Avenue Louis Pasteur NRB, Boston, MA 02115, USA
| | - Philip A Cole
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 77 Avenue Louis Pasteur NRB, Boston, MA 02115, USA.
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25
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Zhao B, Tsai YC, Jin B, Wang B, Wang Y, Zhou H, Carpenter T, Weissman AM, Yin J. Protein Engineering in the Ubiquitin System: Tools for Discovery and Beyond. Pharmacol Rev 2020; 72:380-413. [PMID: 32107274 PMCID: PMC7047443 DOI: 10.1124/pr.118.015651] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Ubiquitin (UB) transfer cascades consisting of E1, E2, and E3 enzymes constitute a complex network that regulates a myriad of biologic processes by modifying protein substrates. Deubiquitinating enzymes (DUBs) reverse UB modifications or trim UB chains of diverse linkages. Additionally, many cellular proteins carry UB-binding domains (UBDs) that translate the signals encoded in UB chains to target proteins for degradation by proteasomes or in autophagosomes, as well as affect nonproteolytic outcomes such as kinase activation, DNA repair, and transcriptional regulation. Dysregulation of the UB transfer pathways and malfunctions of DUBs and UBDs play causative roles in the development of many diseases. A greater understanding of the mechanism of UB chain assembly and the signals encoded in UB chains should aid in our understanding of disease pathogenesis and guide the development of novel therapeutics. The recent flourish of protein-engineering approaches such as unnatural amino acid incorporation, protein semisynthesis by expressed protein ligation, and high throughput selection by phage and yeast cell surface display has generated designer proteins as powerful tools to interrogate cell signaling mediated by protein ubiquitination. In this study, we highlight recent achievements of protein engineering on mapping, probing, and manipulating UB transfer in the cell. SIGNIFICANCE STATEMENT: The post-translational modification of proteins with ubiquitin alters the fate and function of proteins in diverse ways. Protein engineering is fundamentally transforming research in this area, providing new mechanistic insights and allowing for the exploration of concepts that can potentially be applied to therapeutic intervention.
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Affiliation(s)
- Bo Zhao
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Yien Che Tsai
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Bo Jin
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Bufan Wang
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Yiyang Wang
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Han Zhou
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Tomaya Carpenter
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Allan M Weissman
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
| | - Jun Yin
- Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China (B.Z., B.J., B.W.); Department of Pathophysiology, School of Medicine, Jinan University, Guangzhou, China (Y.W.); Laboratory of Protein Dynamics and Signaling, Center for Cancer Research, National Cancer Institute, Frederick, Maryland (Y.C.T., A.M.W.); and Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia (Y.W., H.Z., T.C., J.Y.)
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26
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Tharp JM, Hampton JT, Reed CA, Ehnbom A, Chen PHC, Morse JS, Kurra Y, Pérez LM, Xu S, Liu WR. An amber obligate active site-directed ligand evolution technique for phage display. Nat Commun 2020; 11:1392. [PMID: 32170178 PMCID: PMC7070036 DOI: 10.1038/s41467-020-15057-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/14/2020] [Indexed: 01/19/2023] Open
Abstract
Although noncanonical amino acids (ncAAs) were first incorporated into phage libraries through amber suppression nearly two decades ago, their application for use in drug discovery has been limited due to inherent library bias towards sense-containing phages. Here, we report a technique based on superinfection immunity of phages to enrich amber-containing clones, thus avoiding the observed bias that has hindered incorporation of ncAAs into phage libraries. We then take advantage of this technique for development of active site-directed ligand evolution of peptides, where the ncAA serves as an anchor to direct the binding of its peptides to the target’s active site. To demonstrate this, phage-displayed peptide libraries are developed that contain a genetically encoded butyryl lysine and are subsequently used to select for ligands that bind SIRT2. These ligands are then modified to develop low nanomolar inhibitors of SIRT2. Most epigenetic regulator inhibitors target tunnels of active sites, rather than the peptide binding groove, leading to concerns with low selectivity. Here the authors use an amber obligate phage library to rapidly identify isoform-selective inhibitors of SIRT2.
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Affiliation(s)
- Jeffery M Tharp
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - J Trae Hampton
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Catrina A Reed
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Andreas Ehnbom
- Laboratory for Molecular Simulation, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Peng-Hsun Chase Chen
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Jared S Morse
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Yadagirri Kurra
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Lisa M Pérez
- Laboratory for Molecular Simulation, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Shiqing Xu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA.
| | - Wenshe Ray Liu
- The Texas A&M Drug Discovery Laboratory, Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA. .,Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX, 77843, USA.
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27
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Abstract
Expressed protein ligation is a method of protein semisynthesis and typically involves the reaction of recombinant protein C-terminal thioesters with N-cysteine containing synthetic peptides in a chemoselective ligation. The recombinant protein C-terminal thioesters are produced by exploiting the action of nature's inteins which are protein modules that catalyze protein splicing. This chapter discusses the basic principles of expressed protein ligation and recent advances and applications in this protein semisynthesis field. Comparative strengths and weaknesses of the method and future challenges are highlighted.
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Affiliation(s)
- Zhipeng A Wang
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Philip A Cole
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
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28
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Shemsi AM, Khanday FA, Qurashi A, Khalil A, Guerriero G, Siddiqui KS. Site-directed chemically-modified magnetic enzymes: fabrication, improvements, biotechnological applications and future prospects. Biotechnol Adv 2019; 37:357-381. [DOI: 10.1016/j.biotechadv.2019.02.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/13/2019] [Accepted: 02/08/2019] [Indexed: 02/08/2023]
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29
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30
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Hirano T, Mori S, Kagechika H. Recent Advances in Chemical Tools for the Regulation and Study of Protein Lysine Methyltransferases. CHEM REC 2018; 18:1745-1759. [DOI: 10.1002/tcr.201800034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 07/17/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Tomoya Hirano
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - Shuichi Mori
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and BioengineeringTokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku Tokyo 101-0062 Japan
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31
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Epigenetic chromatin modification by amber suppression technology. Curr Opin Chem Biol 2018; 45:1-9. [DOI: 10.1016/j.cbpa.2018.01.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/11/2018] [Accepted: 01/28/2018] [Indexed: 01/10/2023]
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32
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Chen H, Venkat S, McGuire P, Gan Q, Fan C. Recent Development of Genetic Code Expansion for Posttranslational Modification Studies. Molecules 2018; 23:E1662. [PMID: 29986538 PMCID: PMC6100177 DOI: 10.3390/molecules23071662] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/03/2018] [Accepted: 07/05/2018] [Indexed: 12/29/2022] Open
Abstract
Nowadays advanced mass spectrometry techniques make the identification of protein posttranslational modifications (PTMs) much easier than ever before. A series of proteomic studies have demonstrated that large numbers of proteins in cells are modified by phosphorylation, acetylation and many other types of PTMs. However, only limited studies have been performed to validate or characterize those identified modification targets, mostly because PTMs are very dynamic, undergoing large changes in different growth stages or conditions. To overcome this issue, the genetic code expansion strategy has been introduced into PTM studies to genetically incorporate modified amino acids directly into desired positions of target proteins. Without using modifying enzymes, the genetic code expansion strategy could generate homogeneously modified proteins, thus providing powerful tools for PTM studies. In this review, we summarized recent development of genetic code expansion in PTM studies for research groups in this field.
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Affiliation(s)
- Hao Chen
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Sumana Venkat
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Paige McGuire
- Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Qinglei Gan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Chenguang Fan
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA.
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA.
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33
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Abstract
Protein lysine methylation is a distinct posttranslational modification that causes minimal changes in the size and electrostatic status of lysine residues. Lysine methylation plays essential roles in regulating fates and functions of target proteins in an epigenetic manner. As a result, substrates and degrees (free versus mono/di/tri) of protein lysine methylation are orchestrated within cells by balanced activities of protein lysine methyltransferases (PKMTs) and demethylases (KDMs). Their dysregulation is often associated with neurological disorders, developmental abnormalities, or cancer. Methyllysine-containing proteins can be recognized by downstream effector proteins, which contain methyllysine reader domains, to relay their biological functions. While numerous efforts have been made to annotate biological roles of protein lysine methylation, limited work has been done to uncover mechanisms associated with this modification at a molecular or atomic level. Given distinct biophysical and biochemical properties of methyllysine, this review will focus on chemical and biochemical aspects in addition, recognition, and removal of this posttranslational mark. Chemical and biophysical methods to profile PKMT substrates will be discussed along with classification of PKMT inhibitors for accurate perturbation of methyltransferase activities. Semisynthesis of methyllysine-containing proteins will also be covered given the critical need for these reagents to unambiguously define functional roles of protein lysine methylation.
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Affiliation(s)
- Minkui Luo
- Chemical Biology Program , Memorial Sloan Kettering Cancer Center , New York , New York 10065 , United States.,Program of Pharmacology, Weill Graduate School of Medical Science , Cornell University , New York , New York 10021 , United States
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34
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Wu M, Hayward D, Kalin JH, Song Y, Schwabe JWR, Cole PA. Lysine-14 acetylation of histone H3 in chromatin confers resistance to the deacetylase and demethylase activities of an epigenetic silencing complex. eLife 2018; 7:e37231. [PMID: 29869982 PMCID: PMC6019071 DOI: 10.7554/elife.37231] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 06/04/2018] [Indexed: 12/31/2022] Open
Abstract
The core CoREST complex (LHC) contains histone deacetylase HDAC1 and histone demethylase LSD1 held together by the scaffold protein CoREST. Here, we analyze the purified LHC with modified peptide and reconstituted semisynthetic mononucleosome substrates. LHC demethylase activity toward methyl-Lys4 in histone H3 is strongly inhibited by H3 Lys14 acetylation, and this appears to be an intrinsic property of the LSD1 subunit. Moreover, the deacetylase selectivity of LHC unexpectedly shows a marked preference for H3 acetyl-Lys9 versus acetyl-Lys14 in nucleosome substrates but this selectivity is lost with isolated acetyl-Lys H3 protein. This diminished activity of LHC to Lys-14 deacetylation in nucleosomes is not merely due to steric accessibility based on the pattern of sensitivity of the LHC enzymatic complex to hydroxamic acid-mediated inhibition. Overall, these studies have revealed how a single Lys modification can confer a composite of resistance in chromatin to a key epigenetic enzyme complex involved in gene silencing.
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Affiliation(s)
- Mingxuan Wu
- Division of Genetics, Department of MedicineBrigham and Women’s HospitalBostonUnited States
- Department of Biological Chemistry and Molecular PharmacologyHarvard Medical SchoolBostonUnited States
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreUnited States
| | - Dawn Hayward
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreUnited States
| | - Jay H Kalin
- Division of Genetics, Department of MedicineBrigham and Women’s HospitalBostonUnited States
- Department of Biological Chemistry and Molecular PharmacologyHarvard Medical SchoolBostonUnited States
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreUnited States
| | - Yun Song
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell BiologyUniversity of LeicesterLeicesterUnited Kingdom
| | - John WR Schwabe
- Leicester Institute of Structural and Chemical Biology, Department of Molecular and Cell BiologyUniversity of LeicesterLeicesterUnited Kingdom
| | - Philip A Cole
- Division of Genetics, Department of MedicineBrigham and Women’s HospitalBostonUnited States
- Department of Biological Chemistry and Molecular PharmacologyHarvard Medical SchoolBostonUnited States
- Department of Pharmacology and Molecular SciencesJohns Hopkins University School of MedicineBaltimoreUnited States
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35
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Abstract
Exciting new technological developments have pushed the boundaries of structural biology, and have enabled studies of biological macromolecules and assemblies that would have been unthinkable not long ago. Yet, the enhanced capabilities of structural biologists to pry into the complex molecular world have also placed new demands on the abilities of protein engineers to reproduce this complexity into the test tube. With this challenge in mind, we review the contents of the modern molecular engineering toolbox that allow the manipulation of proteins in a site-specific and chemically well-defined fashion. Thus, we cover concepts related to the modification of cysteines and other natural amino acids, native chemical ligation, intein and sortase-based approaches, amber suppression, as well as chemical and enzymatic bio-conjugation strategies. We also describe how these tools can be used to aid methodology development in X-ray crystallography, nuclear magnetic resonance, cryo-electron microscopy and in the studies of dynamic interactions. It is our hope that this monograph will inspire structural biologists and protein engineers alike to apply these tools to novel systems, and to enhance and broaden their scope to meet the outstanding challenges in understanding the molecular basis of cellular processes and disease.
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36
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Sharma V, Zeng Y, Wang WW, Qiao Y, Kurra Y, Liu WR. Evolving the N-Terminal Domain of Pyrrolysyl-tRNA Synthetase for Improved Incorporation of Noncanonical Amino Acids. Chembiochem 2017; 19:26-30. [PMID: 29096043 DOI: 10.1002/cbic.201700268] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Indexed: 11/10/2022]
Abstract
By evolving the N-terminal domain of Methanosarcina mazei pyrrolysyl-tRNA synthetase (PylRS) that directly interacts with tRNAPyl , a mutant clone displaying improved amber-suppression efficiency for the genetic incorporation of Nϵ -(tert-butoxycarbonyl)-l-lysine threefold more than the wild type was identified. The identified mutations were R19H/H29R/T122S. Direct transfer of these mutations to two other PylRS mutants that were previously evolved for the genetic incorporation of Nϵ -acetyl-l-lysine and Nϵ -(4-azidobenzoxycarbonyl)-l-δ,ϵ-dehydrolysine also improved the incorporation efficiency of these two noncanonical amino acids. As the three identified mutations were found in the N-terminal domain of PylRS that was separated from its catalytic domain for charging tRNAPyl with a noncanonical amino acid, they could potentially be introduced to all other PylRS mutants to improve the incorporation efficiency of their corresponding noncanonical amino acids. Therefore, it represents a general strategy to optimize the pyrrolysine incorporation system-based noncanonical amino-acid mutagenesis.
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Affiliation(s)
- Vangmayee Sharma
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Yu Zeng
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - W Wesley Wang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Yuchen Qiao
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Yadagiri Kurra
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Wenshe R Liu
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
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37
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Chin JW. Expanding and reprogramming the genetic code. Nature 2017; 550:53-60. [PMID: 28980641 DOI: 10.1038/nature24031] [Citation(s) in RCA: 504] [Impact Index Per Article: 72.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 08/22/2017] [Indexed: 12/13/2022]
Abstract
Nature uses a limited, conservative set of amino acids to synthesize proteins. The ability to genetically encode an expanded set of building blocks with new chemical and physical properties is transforming the study, manipulation and evolution of proteins, and is enabling diverse applications, including approaches to probe, image and control protein function, and to precisely engineer therapeutics. Underpinning this transformation are strategies to engineer and rewire translation. Emerging strategies aim to reprogram the genetic code so that noncanonical biopolymers can be synthesized and evolved, and to test the limits of our ability to engineer the translational machinery and systematically recode genomes.
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Affiliation(s)
- Jason W Chin
- Medical Research Council Laboratory of Molecular Biology, Cambridge CB2 0QH, UK.,Department of Chemistry, Cambridge University, Cambridge CB2 1EW, UK
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38
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Brabham R, Fascione MA. Pyrrolysine Amber Stop-Codon Suppression: Development and Applications. Chembiochem 2017; 18:1973-1983. [DOI: 10.1002/cbic.201700148] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 07/28/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Robin Brabham
- York Structural Biology Laboratory; Department of Chemistry; University of York; Heslington Road York YO10 5DD UK
| | - Martin A. Fascione
- York Structural Biology Laboratory; Department of Chemistry; University of York; Heslington Road York YO10 5DD UK
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39
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Abstract
As an important epigenetic mark, lysine methylations play critical roles in the regulation of both chromatin and non-chromatin proteins. There are three levels of lysine methylation, mono-, di-, and trimethylation. Each one has turned out to be biologically distinctive. For the biochemical characterization of proteins with lysine methylation, multiple chemical biology methods have been developed. This concept article will highlight these developments and their applications in epigenetic investigation of protein functions.
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Affiliation(s)
- Zhipeng A. Wang
- Chemistry Department, Texas A&M University, College Station, TX, 77843, USA
| | - Wenshe R. Liu
- Chemistry Department, Texas A&M University, College Station, TX, 77843, USA
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40
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Tian Y, Jacinto MP, Zeng Y, Yu Z, Qu J, Liu WR, Lin Q. Genetically Encoded 2-Aryl-5-carboxytetrazoles for Site-Selective Protein Photo-Cross-Linking. J Am Chem Soc 2017; 139:6078-6081. [PMID: 28422494 PMCID: PMC5423124 DOI: 10.1021/jacs.7b02615] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The genetically encoded photo-cross-linkers promise to offer a temporally
controlled tool to map transient and dynamic protein–protein
interaction complexes in living cells. Here we report the synthesis
of a panel of 2-aryl-5-carboxytetrazole-lysine analogs (ACTKs) and
their site-specific incorporation into proteins via amber codon suppression
in Escherichia coli and mammalian cells.
Among five ACTKs investigated, N-methylpyrroletetrazole-lysine
(mPyTK) was found to give robust and site-selective photo-cross-linking
reactivity in E. coli when placed at
an appropriate site at the protein interaction interface. A comparison
study indicated that mPyTK exhibits higher photo-cross-linking efficiency
than a diazirine-based photo-cross-linker, AbK, when placed at the
same location of the interaction interface in vitro. When mPyTK was
introduced into the adapter protein Grb2, it enabled the photocapture
of EGFR in a stimulus-dependent manner. The design of mPyTK along
with the identification of its cognate aminoacyl-tRNA synthetase makes
it possible to map transient protein–protein interactions and
their interfaces in living cells.
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Affiliation(s)
- Yulin Tian
- Department of Chemistry, State University of New York at Buffalo , Buffalo, New York 14260, United States
| | - Marco Paolo Jacinto
- Department of Chemistry, State University of New York at Buffalo , Buffalo, New York 14260, United States
| | - Yu Zeng
- Department of Chemistry, Texas A&M University , College Station, Texas 77845, United States
| | - Zhipeng Yu
- Department of Chemistry, State University of New York at Buffalo , Buffalo, New York 14260, United States
| | - Jun Qu
- Department of Pharmaceutical Sciences, State University of New York at Buffalo , Buffalo, New York 14260, United States
| | - Wenshe R Liu
- Department of Chemistry, Texas A&M University , College Station, Texas 77845, United States
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo , Buffalo, New York 14260, United States
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