1
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Cao L, Wang L. Biospecific Chemistry for Covalent Linking of Biomacromolecules. Chem Rev 2024; 124:8516-8549. [PMID: 38913432 PMCID: PMC11240265 DOI: 10.1021/acs.chemrev.4c00066] [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: 06/26/2024]
Abstract
Interactions among biomacromolecules, predominantly noncovalent, underpin biological processes. However, recent advancements in biospecific chemistry have enabled the creation of specific covalent bonds between biomolecules, both in vitro and in vivo. This Review traces the evolution of biospecific chemistry in proteins, emphasizing the role of genetically encoded latent bioreactive amino acids. These amino acids react selectively with adjacent natural groups through proximity-enabled bioreactivity, enabling targeted covalent linkages. We explore various latent bioreactive amino acids designed to target different protein residues, ribonucleic acids, and carbohydrates. We then discuss how these novel covalent linkages can drive challenging protein properties and capture transient protein-protein and protein-RNA interactions in vivo. Additionally, we examine the application of covalent peptides as potential therapeutic agents and site-specific conjugates for native antibodies, highlighting their capacity to form stable linkages with target molecules. A significant focus is placed on proximity-enabled reactive therapeutics (PERx), a pioneering technology in covalent protein therapeutics. We detail its wide-ranging applications in immunotherapy, viral neutralization, and targeted radionuclide therapy. Finally, we present a perspective on the existing challenges within biospecific chemistry and discuss the potential avenues for future exploration and advancement in this rapidly evolving field.
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Affiliation(s)
- Li Cao
- Department of Pharmaceutical Chemistry, The Cardiovascular Research Institute, and Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, United States
| | - Lei Wang
- Department of Pharmaceutical Chemistry, The Cardiovascular Research Institute, and Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, United States
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2
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Zhang J, Wang X, Huang Q, Ye J, Wang J. Genetically Encoded Epoxide Warhead for Precise and Versatile Covalent Targeting of Proteins. J Am Chem Soc 2024; 146:16173-16183. [PMID: 38819260 PMCID: PMC11177858 DOI: 10.1021/jacs.4c03974] [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: 03/20/2024] [Revised: 05/08/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024]
Abstract
Genetically encoding a proximal reactive warhead into the protein binder/drug has emerged as an efficient strategy for covalently binding to protein targets, enabling broad applications. To expand the reactivity scope for targeting the diverse natural residues under physiological conditions, the development of a genetically encoded reactive warhead with excellent stability and broad reactivity is highly desired. Herein, we reported the genetic encoding of epoxide-containing tyrosine (EPOY) for developing covalent protein drugs. Our study demonstrates that EPOY, when incorporated into a nanobody (KN035), can cross-link with different side chains (mutations) at the same position of PD-L1 protein. Significantly, a single genetically encoded reactive warhead that is capable of covalent and site-specific targeting to 10 different nucleophilic residues was achieved for the first time. This would largely expand the scope of covalent warhead and inspire the development of covalent warheads for both small-molecule drugs and protein drugs. Furthermore, we incorporate the EPOY into a designed ankyrin repeat protein (DarpinK13) to create the covalent binders of KRAS. This covalent KRAS binder holds the potential to achieve pan-covalent targeting of KRAS based on the structural similarity among all oncogenic KRAS mutants while avoiding off-target binding to NRAS/HRAS through a covalent interaction with KRAS-specific residues (H95 and E107). We envision that covalently targeting to H95 will be a promising strategy for the development of covalent pan-KRAS inhibitors in the future.
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Affiliation(s)
| | | | | | - Jinsong Ye
- Department of Chemistry,
Research Center for Chemical Biology and Omics Analysis, College of
Science, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jie Wang
- Department of Chemistry,
Research Center for Chemical Biology and Omics Analysis, College of
Science, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
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3
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Guo QR, Cao YJ. Applications of genetic code expansion technology in eukaryotes. Protein Cell 2024; 15:331-363. [PMID: 37847216 PMCID: PMC11074999 DOI: 10.1093/procel/pwad051] [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: 07/04/2023] [Accepted: 09/26/2023] [Indexed: 10/18/2023] Open
Abstract
Unnatural amino acids (UAAs) have gained significant attention in protein engineering and drug development owing to their ability to introduce new chemical functionalities to proteins. In eukaryotes, genetic code expansion (GCE) enables the incorporation of UAAs and facilitates posttranscriptional modification (PTM), which is not feasible in prokaryotic systems. GCE is also a powerful tool for cell or animal imaging, the monitoring of protein interactions in target cells, drug development, and switch regulation. Therefore, there is keen interest in utilizing GCE in eukaryotic systems. This review provides an overview of the application of GCE in eukaryotic systems and discusses current challenges that need to be addressed.
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Affiliation(s)
- Qiao-ru Guo
- State Key Laboratory of Chemical Oncogenomic, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Yu J Cao
- State Key Laboratory of Chemical Oncogenomic, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
- Institute of Chemical Biology, Shenzhen Bay Laboratory, Shenzhen 518132, China
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4
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Xie H, Guo W, Jiang H, Zhang T, Zhao L, Hu J, Gao S, Song S, Xu J, Xu L, Sun X, Ding Y, Jiang L, Ding X. Photosensitive Hydrogel with Temperature-Controlled Reversible Nano-Apertures for Single-Cell Protein Analysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308569. [PMID: 38483955 PMCID: PMC11109651 DOI: 10.1002/advs.202308569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/15/2024] [Indexed: 05/23/2024]
Abstract
Single cell western blot (scWB) is one of the most important methods for cellular heterogeneity profiling. However, current scWB based on conventional photoactive polyacrylamide hydrogel material suffers from the tradeoff between in-gel probing and separation resolution. Here, a highly sensitive temperature-controlled single-cell western blotting (tc-scWB) method is introduced, which is based on a thermo/photo-dualistic-sensitive polyacrylamide hydrogel, namely acrylic acid-functionalized graphene oxide (AFGO) assisted, N-isopropylacrylamide modified polyacrylamide (ANP) hydrogel. The ANP hydrogel is contracted at high-temperature to constrain protein band diffusion during microchip electrophoretic separation, while the gel aperture is expanded under low-temperature for better antibody penetration into the hydrogel. The tc-scWB method enables the separation and profiling of small-molecule-weight proteins with highly crosslinked gel (12% T) in SDS-PAGE. The tc-scWB is demonstrated on three metabolic and ER stress-specific proteins (CHOP, MDH2 and FH) in four pancreatic cell subtypes, revealing the expression of key enzymes in the Krebs cycle is upregulated with enhanced ER stress. It is found that ER stress can regulate crucial enzyme (MDH2 and FH) activities of metabolic cascade in cancer cells, boosting aerobic respiration to attenuate the Warburg effect and promote cell apoptosis. The tc-scWB is a general toolbox for the analysis of low-abundance small-molecular functional proteins at the single-cell level.
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Affiliation(s)
- Haiyang Xie
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Wenke Guo
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Hui Jiang
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Ting Zhang
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Lei Zhao
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Jinjuan Hu
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Shuxin Gao
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Sunfengda Song
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Jiasu Xu
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Li Xu
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Xinyi Sun
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Yi Ding
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Lai Jiang
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
| | - Xianting Ding
- Department of Anesthesiology and Surgical Intensive Care UnitXinhua HospitalSchool of Medicine and School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200092China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030China
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5
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Cheng L, Wang Y, Guo Y, Zhang SS, Xiao H. Advancing protein therapeutics through proximity-induced chemistry. Cell Chem Biol 2024; 31:428-445. [PMID: 37802076 PMCID: PMC10960704 DOI: 10.1016/j.chembiol.2023.09.004] [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: 07/23/2023] [Revised: 08/21/2023] [Accepted: 09/15/2023] [Indexed: 10/08/2023]
Abstract
Recent years have seen a remarkable growth in the field of protein-based medical treatments. Nevertheless, concerns have arisen regarding the cytotoxicity limitations, low affinity, potential immunogenicity, low stability, and challenges to modify these proteins. To overcome these obstacles, proximity-induced chemistry has emerged as a next-generation strategy for advancing protein therapeutics. This method allows site-specific modification of proteins with therapeutic agents, improving their effectiveness without extensive engineering. In addition, this innovative approach enables spatial control of the reaction based on proximity, facilitating the formation of irreversible covalent bonds between therapeutic proteins and their targets. This capability becomes particularly valuable in addressing challenges such as the low affinity frequently encountered between therapeutic proteins and their targets, as well as the limited availability of small molecules for specific protein targets. As a result, proximity-induced chemistry is reshaping the field of protein drug preparation and propelling the revolution in novel protein therapeutics.
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Affiliation(s)
- Linqi Cheng
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Yixian Wang
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Yiming Guo
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Sophie S Zhang
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
| | - Han Xiao
- Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA; Department of Biosciences, Rice University, 6100 Main Street, Houston, TX 77005, USA; Department of Bioengineering, Rice University, 6100 Main Street, Houston, TX 77005, USA.
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6
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Zhang H, Fang M, Lin Q. Photo-activatable Reagents for Bioorthogonal Ligation Reactions. Top Curr Chem (Cham) 2023; 382:1. [PMID: 38091203 DOI: 10.1007/s41061-023-00447-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023]
Abstract
Light-induced bioorthogonal reactions offer spatiotemporal control over selective biomolecular labeling. This review covers the recent advances in the design of photo-activatable reagents for bioorthogonal conjugation reactions in living systems. These reagents are stable in the absence of light, but transformed into reactive species upon light illumination, which then undergo rapid ligation reactions. The light wavelength has been tuned from ultraviolet to near infrared to enable efficient photo-activation in reactions in deep tissues. The most prominent photo-activatable reagents are presented, including tetrazoles, tetrazines, 9,10-phenanthrenequinone, diarylsydnones, and others. A particular focus is on the strategies for improving reaction kinetics and biocompatibility accomplished through careful molecular engineering. The utilities of these photo-activatable reagents are illustrated through a broad range of biological applications, including in vivo protein labeling, positron emission tomography (PET) imaging, responsive hydrogels, and fluorescence microscopy. The further development and optimization of these biocompatible photo-activatable reagents should lead to new chemical biology strategies for studying biomolecular structure and function in living systems.
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Affiliation(s)
- Heyang Zhang
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, 14260, USA
| | - Ming Fang
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, 14260, USA
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, 14260, USA.
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7
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Li J, Cui Z, Fan C, Zhou Y, Ren M, Zhou C. Photo-caged 2-butene-1,4-dial as an efficient, target-specific photo-crosslinker for covalent trapping of DNA-binding proteins. Chem Sci 2023; 14:10884-10891. [PMID: 37829010 PMCID: PMC10566456 DOI: 10.1039/d3sc03719c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023] Open
Abstract
Covalent trapping of DNA-binding proteins via photo-crosslinking is an advantageous method for studying DNA-protein interactions. However, traditional photo-crosslinkers generate highly reactive intermediates that rapidly and non-selectively react with nearby functional groups, resulting in low target-capture yields and high non-target background capture. Herein, we report that photo-caged 2-butene-1,4-dial (PBDA) is an efficient photo-crosslinker for trapping DNA-binding proteins. Photo-irradiation (360 nm) of PBDA-modified DNA generates 2-butene-1,4-dial (BDA), a small, long-lived intermediate that reacts selectively with Lys residues of DNA-binding proteins, leading in minutes to stable DNA-protein crosslinks in up to 70% yield. In addition, BDA exhibits high specificity for target proteins, leading to low non-target background capture. The high photo-crosslinking yield and target specificity make PBDA a powerful tool for studying DNA-protein interactions.
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Affiliation(s)
- Jiahui Li
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
| | - Zenghui Cui
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
| | - Chaochao Fan
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
| | - Yifei Zhou
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
| | - Mengtian Ren
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
| | - Chuanzheng Zhou
- State Key Laboratory of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, Department of Chemical Biology, College of Chemistry, Nankai University Tianjin 300071 China
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8
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Schloßhauer JL, Zemella A, Dondapati SK, Thoring L, Meyer M, Kubick S. Enhancing the performance of a mutant pyrrolysyl-tRNA synthetase to create a highly versatile eukaryotic cell-free protein synthesis tool. Sci Rep 2023; 13:15236. [PMID: 37709815 PMCID: PMC10502014 DOI: 10.1038/s41598-023-42198-8] [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: 04/25/2023] [Accepted: 09/06/2023] [Indexed: 09/16/2023] Open
Abstract
Modification of proteins with a broad range of chemical functionalities enables the investigation of protein structure and activity by manipulating polypeptides at single amino acid resolution. Indeed, various functional groups including bulky non-canonical amino acids like strained cyclooctenes could be introduced by the unique features of the binding pocket of the double mutant pyrrolysyl-tRNA synthetase (Y306A, Y384F), but the instable nature of the enzyme limits its application in vivo. Here, we constructed a cell-free protein production system, which increased the overall enzyme stability by combining different reaction compartments. Moreover, a co-expression approach in a one-pot reaction allowed straightforward site-specific fluorescent labeling of the functional complex membrane protein cystic fibrosis transmembrane conductance regulator. Our work provides a versatile platform for introducing various non-canonical amino acids into difficult-to-express proteins for structural and fluorescence based investigation of proteins activity.
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Affiliation(s)
- Jeffrey L Schloßhauer
- Fraunhofer Project Group PZ-Syn of the Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Institute of Biotechnology,, Brandenburg University of Technology Cottbus-Senftenberg, Am Mühlenberg, Potsdam, Germany
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Am Mühlenberg, Potsdam, Germany
- Laboratory of Protein Biochemistry, Institute for Chemistry and Biochemistry, Freie Universität Berlin, Thielallee 63, 14195, Berlin, Germany
| | - Anne Zemella
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Am Mühlenberg, Potsdam, Germany.
| | - Srujan K Dondapati
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Am Mühlenberg, Potsdam, Germany
| | - Lena Thoring
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Am Mühlenberg, Potsdam, Germany
| | - Manpreet Meyer
- Laboratory of Protein Biochemistry, Institute for Chemistry and Biochemistry, Freie Universität Berlin, Thielallee 63, 14195, Berlin, Germany
| | - Stefan Kubick
- Fraunhofer Institute for Cell Therapy and Immunology (IZI), Branch Bioanalytics and Bioprocesses (IZI-BB), Am Mühlenberg, Potsdam, Germany
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus -Senftenberg, The Brandenburg Medical School Theodor Fontane, University of Potsdam, Potsdam, Germany
- Laboratory of Protein Biochemistry, Institute for Chemistry and Biochemistry, Freie Universität Berlin, Thielallee 63, 14195, Berlin, Germany
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9
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Fu J, Li S, Deng L, Zhao X, Yu Z. A genetically encodable and fluorogenic photo-crosslinker via photo-induced defluorination acyl fluoride exchange. Chem Commun (Camb) 2023; 59:11073-11076. [PMID: 37624030 DOI: 10.1039/d3cc02771f] [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: 08/26/2023]
Abstract
We report a genetically encodable m-trifluoromethylaniline modified L-lysine (m-TFMAK) which defluorinates upon light activation and covalently conjugates to native residues via acyl fluoride exchange. The encoded m-TFMAK photo-crosslinks with temporal controllability, residue selectivity, and fluorogenic tracking features, making it suitable for identifying protein interactions in living systems.
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Affiliation(s)
- Jielin Fu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Sitong Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Lijun Deng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Xiaohu Zhao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Zhipeng Yu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
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10
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Liu J, Yang B, Wang L. Residue selective crosslinking of proteins through photoactivatable or proximity-enabled reactivity. Curr Opin Chem Biol 2023; 74:102285. [PMID: 36913752 PMCID: PMC10225350 DOI: 10.1016/j.cbpa.2023.102285] [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: 12/27/2022] [Revised: 02/08/2023] [Accepted: 02/12/2023] [Indexed: 03/13/2023]
Abstract
Photo- and chemical crosslinking of proteins have offered various avenues for studying protein structure and protein interactions with biomolecules. Conventional photoactivatable groups generally lack reaction selectivity toward amino acid residues. New photoactivatable groups reacting with selected residues have emerged recently, increasing crosslinking efficiency and facilitating crosslink identification. Traditional chemical crosslinking usually employs highly reactive functional groups, while recent advance has developed latent reactive groups with reactivity triggered by proximity, which reduce spurious crosslinks and improve biocompatibility. The employment of these residue selective chemical functional groups, activated by light or proximity, in small molecule crosslinkers and in genetically encoded unnatural amino acids is summarized. Together with new software development in identifying protein crosslinks, residue selective crosslinking has enhanced the research of elusive protein-protein interactions in vitro, in cell lysate, and in live cells. Residue selective crosslinking is expected to expand to other methods for the investigation of various protein-biomolecule interactions.
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Affiliation(s)
- Jun Liu
- Department of Pharmaceutical Chemistry, The Cardiovascular Research Institute, and Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, 94158, USA
| | - Bing Yang
- Department of Pharmaceutical Chemistry, The Cardiovascular Research Institute, and Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, 94158, USA
| | - Lei Wang
- Department of Pharmaceutical Chemistry, The Cardiovascular Research Institute, and Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, 94158, USA.
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11
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Nadendla K, Simpson GG, Becher J, Journeaux T, Cabeza-Cabrerizo M, Bernardes GJL. Strategies for Conditional Regulation of Proteins. JACS AU 2023; 3:344-357. [PMID: 36873677 PMCID: PMC9975842 DOI: 10.1021/jacsau.2c00654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 06/18/2023]
Abstract
Design of the next-generation of therapeutics, biosensors, and molecular tools for basic research requires that we bring protein activity under control. Each protein has unique properties, and therefore, it is critical to tailor the current techniques to develop new regulatory methods and regulate new proteins of interest (POIs). This perspective gives an overview of the widely used stimuli and synthetic and natural methods for conditional regulation of proteins.
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Affiliation(s)
- Karthik Nadendla
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Grant G. Simpson
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Julie Becher
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Toby Journeaux
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Mar Cabeza-Cabrerizo
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
| | - Gonçalo J. L. Bernardes
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, CB2 1EW, Cambridge, U.K.
- Instituto
de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal
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12
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Update of the Pyrrolysyl-tRNA Synthetase/tRNA Pyl Pair and Derivatives for Genetic Code Expansion. J Bacteriol 2023; 205:e0038522. [PMID: 36695595 PMCID: PMC9945579 DOI: 10.1128/jb.00385-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The cotranslational incorporation of pyrrolysine (Pyl), the 22nd proteinogenic amino acid, into proteins in response to the UAG stop codon represents an outstanding example of natural genetic code expansion. Genetic encoding of Pyl is conducted by the pyrrolysyl-tRNA synthetase (PylRS) and its cognate tRNA, tRNAPyl. Owing to the high tolerance of PylRS toward diverse amino acid substrates and great orthogonality in various model organisms, the PylRS/tRNAPyl-derived pairs are ideal for genetic code expansion to insert noncanonical amino acids (ncAAs) into proteins of interest. Since the discovery of cellular components involved in the biosynthesis and genetic encoding of Pyl, synthetic biologists have been enthusiastic about engineering PylRS/tRNAPyl-derived pairs to rewrite the genetic code of living cells. Recently, considerable progress has been made in understanding the molecular phylogeny, biochemical properties, and structural features of the PylRS/tRNAPyl pair, guiding its further engineering and optimization. In this review, we cover the basic and updated knowledge of the PylRS/tRNAPyl pair's unique characteristics that make it an outstanding tool for reprogramming the genetic code. In addition, we summarize the recent efforts to create efficient and (mutually) orthogonal PylRS/tRNAPyl-derived pairs for incorporation of diverse ncAAs by genome mining, rational design, and advanced directed evolution methods.
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13
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Wang Z, Rabb JD, Lin Q. Orthogonal Crosslinking: A Strategy to Generate Novel Protein Topology and Function. Chemistry 2023; 29:e202202828. [PMID: 36251567 PMCID: PMC9839582 DOI: 10.1002/chem.202202828] [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: 09/10/2022] [Indexed: 11/27/2022]
Abstract
Compared to the disulfide bond, other naturally occurring intramolecular crosslinks have received little attention, presumably due to their rarity in the vast protein space. Here we presented examples of natural non-disulfide crosslinks, which we refer to as orthogonal crosslinks, emphasizing their effect on protein topology and function. We summarize recent efforts on expanding orthogonal crosslinks by using either the enzymes that catalyze protein circularization or the genetic code expansion strategy to add electrophilic amino acids site-specifically in proteins. The advantages and disadvantages of each method are discussed, along with their applications to generate novel protein topology and function. In particular, we highlight our recent work on spontaneous orthogonal crosslinking, in which a carbamate-based crosslink was generated in situ, and its applications in designing orthogonally crosslinked domain antibodies with their topology-mimicking bacterial adhesins.
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Affiliation(s)
- Zheng Wang
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
| | - Johnathan D Rabb
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
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14
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West AV, Woo CM. Photoaffinity Labeling Chemistries Used to Map Biomolecular Interactions. Isr J Chem 2022. [DOI: 10.1002/ijch.202200081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Alexander V. West
- Department of Chemistry and Chemical Biology Harvard University 12 Oxford St Cambridge MA USA
| | - Christina M. Woo
- Department of Chemistry and Chemical Biology Harvard University 12 Oxford St Cambridge MA USA
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15
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Xu Y, Rahim A, Lin Q. Spontaneous Orthogonal Protein Crosslinking via a Genetically Encoded 2-Carboxy-4-Aryl-1,2,3-Triazole. Angew Chem Int Ed Engl 2022; 61:e202202657. [PMID: 35290708 PMCID: PMC9117480 DOI: 10.1002/anie.202202657] [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: 02/17/2022] [Indexed: 11/08/2022]
Abstract
Here we report the design of N2 -carboxy-4-aryl-1,2,3-triazole-lysines (CATKs) and their site-specific incorporation into proteins via genetic code expansion. When introduced into the protein dimer interface, CATKs permitted spontaneous, proximity-driven, site-selective crosslinking to generate covalent protein dimers in living cells, with phenyl-bearing CATK-1 exhibiting high reactivity toward the proximal Lys and Tyr. Furthermore, when introduced into the N-terminal β-strand of either a single-chain VHH antibody or a supercharged monobody, CATK-1 enabled site-specific, inter-strand, orthogonal crosslinking with a proximal Tyr located on the opposing β-strand. Compared with a non-crosslinked monobody, the orthogonally crosslinked monobody displayed improved cellular uptake and enhanced proteolytic stability against an endosomal enzyme. The robust crosslinking reactivity of CATKs should facilitate the design of novel protein topologies with improved physicochemical properties.
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Affiliation(s)
- Yali Xu
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
| | - Abdur Rahim
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
| | - Qing Lin
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
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16
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Deepthi A, Acharjee N, Sruthi S, Meenakshy C. An overview of nitrile imine based [3+2] cycloadditions over half a decade. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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17
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Xu Y, Rahim A, Lin Q. Spontaneous Orthogonal Protein Crosslinking via a Genetically Encoded 2‐Carboxy‐4‐Aryl‐1,2,3‐Triazole. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yali Xu
- Department of Chemistry State University of New York at Buffalo Buffalo NY 14260-3000 USA
| | - Abdur Rahim
- Department of Chemistry State University of New York at Buffalo Buffalo NY 14260-3000 USA
| | - Qing Lin
- Department of Chemistry State University of New York at Buffalo Buffalo NY 14260-3000 USA
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18
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Xiong Q, Zheng T, Shen X, Li B, Fu J, Zhao X, Wang C, Yu Z. Expanding the functionality of proteins with genetically encoded dibenzo[ b, f][1,4,5]thiadiazepine: a photo-transducer for photo-click decoration. Chem Sci 2022; 13:3571-3581. [PMID: 35432856 PMCID: PMC8943893 DOI: 10.1039/d1sc05710c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 02/28/2022] [Indexed: 12/15/2022] Open
Abstract
Genetic incorporation of novel noncanonical amino acids (ncAAs) that are specialized for the photo-click reaction allows the precisely orthogonal and site-specific functionalization of proteins in living cells under photo-control. However, the development of a r̲ing-strain i̲n situ l̲oadable d̲ipolarophile (RILD) as a genetically encodable reporter for photo-click bioconjugation with spatiotemporal controllability is quite rare. Herein, we report the design and synthesis of a photo-switchable d̲ib̲enzo[b,f][1,4,5]t̲hiad̲iazepine-based a̲lanine (DBTDA) ncAA, together with the directed evolution of a pyrrolysyl-tRNA synthetase/tRNACUA pair (PylRS/tRNACUA), to encode the DBTDA into recombinant proteins as a RILD in living E. coli cells. The fast-responsive photo-isomerization of the DBTDA residue can be utilized as a converter of photon energy into ring-strain energy to oscillate the conformational changes of the parent proteins. Due to the photo-activation of RILD, the photo-switching of the DBTDA residue on sfGFP and OmpC is capable of promoting the photo-click ligation with diarylsydnone (DASyd) derived probes with high efficiency and selectivity. We demonstrate that the genetic code expansion (GCE) with DBTDA benefits the studies on the distribution of decorated OmpC-DBTD on specific E. coli cells under a spatiotemporal resolved photo-stimulation. The GCE for encoding DBTDA enables further functional diversity of artificial proteins in living systems.
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Affiliation(s)
- Qin Xiong
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Tingting Zheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Xin Shen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Baolin Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jielin Fu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Xiaohu Zhao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Chunxia Wang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Zhipeng Yu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
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19
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Cao L, Wang L. New covalent bonding ability for proteins. Protein Sci 2022; 31:312-322. [PMID: 34761448 PMCID: PMC8819847 DOI: 10.1002/pro.4228] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/28/2021] [Accepted: 10/28/2021] [Indexed: 02/03/2023]
Abstract
To expand protein's covalent bonding ability, latent bioreactive unnatural amino acids have been designed and genetically encoded into proteins, which react with specific natural amino acid residues through proximity-enabled bioreactivity. The resultant new covalent bonds can be selectively created within and between proteins in vitro, in cells, and in vivo. Offering diverse properties previously unattainable, these covalent linkages have been harnessed to enhance protein properties, to modulate protein function, to probe ligand-receptor binding, to identify elusive protein interactions, and to develop covalent protein drugs. Selective introduction of covalent bonds into proteins is affording novel avenues for biological studies, synthetic biology, and biotherapeutics.
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Affiliation(s)
- Li Cao
- Department of Pharmaceutical Chemistry and the Cardiovascular Research InstituteUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Lei Wang
- Department of Pharmaceutical Chemistry and the Cardiovascular Research InstituteUniversity of California San FranciscoSan FranciscoCaliforniaUSA
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20
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Reinkemeier CD, Lemke EA. Condensed, microtubule-coating thin organelles for orthogonal translation in mammalian cells. J Mol Biol 2022; 434:167454. [PMID: 35033560 DOI: 10.1016/j.jmb.2022.167454] [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: 10/26/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 10/19/2022]
Abstract
Membraneless organelles are capable of selectively performing complex tasks in living cells despite dynamically exchanging with their surroundings. This is an exquisite example how self-organization of proteins and RNAs can lead to more complex functionalities in living systems. Importantly, the absence of a membrane boundary can enable easier access to larger macromolecular complexes that can be challenging to be transported across a membrane. We previously formed orthogonally translating designer membraneless organelles by combining phase separation with kinesin motor proteins to highly enrich engineered translational factors in large organelles. We also showed that even submicron thick designer organelles can be formed, by mounting them onto membranes, which, presumable assisted by 2D condensation, leads to thin film-like condensates. In this study we show that orthogonal translation can also be built with fiber-like appearing organelles. Here, the microtubule-end binding protein EB1 was used to form fiber-like OT organelles along the microtubule cytoskeleton that perform highly selective and efficient orthogonal translation. We also show an improved simplified design of OT organelles. Together this extends OT technology and demonstrates that the microtubule cytoskeleton is a powerful platform for advanced synthetic organelle engineering.
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Affiliation(s)
- Christopher D Reinkemeier
- Biocentre, Departments of Biology and Chemistry, Johannes Gutenberg-University Mainz, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany; Institute of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany; Structural and Computational Biology Unit and Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Edward A Lemke
- Biocentre, Departments of Biology and Chemistry, Johannes Gutenberg-University Mainz, Hanns-Dieter-Hüsch-Weg 17, 55128 Mainz, Germany; Institute of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany; Structural and Computational Biology Unit and Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.
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21
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Kuwik J, Wagner S, Sudhamalla B, Debiec R, Islam K. Hydrophobic cavity-directed azide-acetyllysine photochemistry for profiling non-histone interacting partners of bromodomain protein 1. RSC Chem Biol 2022; 3:1061-1068. [PMID: 35975005 PMCID: PMC9347360 DOI: 10.1039/d2cb00043a] [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] [Received: 02/14/2022] [Accepted: 06/13/2022] [Indexed: 01/19/2023] Open
Abstract
Bromodomain containing protein 1 (BRD1) plays critical roles in chromatin acetylation, gene transcription, erythropoiesis, and brain development. BRD1 is also implicated in several human conditions and is a therapeutic target for cancer. Although, the bromodomain is known to bind acetylated histones, how the function of BRD1 is regulated via non-histone acetylation is unexplored. To identify the non-histone acetylome of BRD1, we develop an R585AzF variant carrying photo responsive 4-azido phenylalanine (AzF) via amber suppressor mutagenesis. We demonstrate biochemical integrity of the AzF-containing analogue and its ability to crosslink non-histone interacting partners present in human cells. Subsequent proteomic experiments led to the identification of the novel BRD1 interactome representing diverse signaling pathways. As a proof-of-concept demonstration, we validated acetylated PDIA1 protein as a bona fide binding partner of BRD1. Our work suggests that BRD1 interacts with additional acetyllysine motifs, beyond those characterized in histone proteins. Bromodomain-containing protein 1 (BRD1) was engineered to carry photo-activatable amino acid for characterization of non-histone interacting partners.![]()
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Affiliation(s)
- Jordan Kuwik
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Shana Wagner
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Babu Sudhamalla
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Current address: Department of Biological Sciences, Indian Institute of Science Education and Research-Kolkata, Mohanpur 741246, India
| | - Ronald Debiec
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Kabirul Islam
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
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22
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Genetically encoding latent bioreactive amino acids and the development of covalent protein drugs. Curr Opin Chem Biol 2021; 66:102106. [PMID: 34968810 DOI: 10.1016/j.cbpa.2021.102106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/07/2021] [Accepted: 11/25/2021] [Indexed: 12/11/2022]
Abstract
As natural proteins generally do not bind targets in a covalent mode, the therapeutic potential of covalent protein drugs remains largely unexplored. Recently, latent bioreactive amino acids have been incorporated into proteins through genetic code expansion, which selectively react with nearby natural residues via proximity-enabled reactivity, generating diverse covalent linkages for proteins in vitro and in cells. These new covalent linkages provide novel avenues for protein research and engineering. In addition, a general platform technology, proximity-enabled reactive therapeutics (PERx), has been established for the development of covalent protein drugs. The first covalent protein drug demonstrates advantageous features in cancer immunotherapy in mice. Selective introduction of covalent bonds into proteins will advance biological studies, synthetic biology, and biotherapeutics with the power of biocompatible covalent chemistries.
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23
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Zheng Y, Zhou Y, Zhang Y, Deng P, Zhao X, Jiang S, Du G, Shen X, Xie X, Su Z, Yu Z. Water-Involved Ring-Opening of 4-Phenyl-1,2,4-triazoline-3,5-dione for "Photo-Clicked" Access to Carbamoyl Formazan Photoswitches In Situ. Chem Asian J 2021; 17:e202101239. [PMID: 34851039 DOI: 10.1002/asia.202101239] [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: 10/28/2021] [Revised: 11/23/2021] [Indexed: 11/08/2022]
Abstract
Cyclic azodicarbonyl derivatives, particularly 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD), commonly serve as arenophile, dienophile, enophile and electrophile. Perplexed by its instability in aqueous environment, there are few studies focused on the transient intermediate produced by hydrolysis of PTAD to achieve synthetic significance. Herein, we describe a "photo-click" method that involves nitrile imine (NI) from diarylsydnone to capture the diazenecarbonyl-phenyl-carbamic acid (DACPA) generated by water-promoted ring-opening of PTAD. DFT calculation reveal that H-bonding interactions between PTAD and water are vital to form DACPA which exhibited an umpolung effect during ligation by nature bond orbit (NBO) analysis. The ultra-fast ligation resulted in carbamoyl formazans, as a unique Z↔E photo-switchable linker on target molecules, including peptide and drugs, with excellent anti-fatigue performance. This strategy is showcased to construct highly functionalized carbamoyl formazans in situ for photo-pharmacology and material studies, which also expands the chemistry of PTAD in aqueous media.
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Affiliation(s)
- Yuanqin Zheng
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Yan Zhang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Pengchi Deng
- Analytical & Testing Center, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Xiaohu Zhao
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Shichao Jiang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Guangxi Du
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Xin Shen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Xinyu Xie
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Zhishan Su
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Zhipeng Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
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24
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Roy A, Barman S, Padhan J, Sudhamalla B. Engineering an acetyllysine reader with a photocrosslinking amino acid for interactome profiling. Chem Commun (Camb) 2021; 57:9866-9869. [PMID: 34490864 DOI: 10.1039/d1cc04611j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The site-specific installation of light-activable crosslinker unnatural amino acids offers a powerful approach to trap transient protein-protein interactions both in vitro and in vivo. Herein, we engineer a bromodomain to introduce 4-benzoyl-L-phenylalanine (BzF) using amber suppressor mutagenesis without compromising its ability to recognize the acetylated histone proteins. We demonstrate the high crosslinking efficiency of the engineered reader towards the interacting partners and its suitability for profiling the transient bromodomain interactome.
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Affiliation(s)
- Anirban Roy
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, West Bengal, India.
| | - Soumen Barman
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, West Bengal, India.
| | - Jyotirmayee Padhan
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, West Bengal, India.
| | - Babu Sudhamalla
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, West Bengal, India.
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25
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Genetically encoded selective cross-linkers and emerging applications. Biochem Soc Trans 2021; 48:1807-1817. [PMID: 32657352 DOI: 10.1042/bst20200508] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/05/2020] [Accepted: 06/11/2020] [Indexed: 02/08/2023]
Abstract
There has been a large amount of interest in the development of genetically encoded cross-linkers that target functional groups naturally present in cells. Recently, a new class of unnatural amino acids that specifically react with target residues were developed and genetically incorporated. The selective reaction shows higher cross-linking efficiency, lower background and predictable cross-linking sites. It has been applied to enhance protein/peptide stability, pinpoint protein-protein interactions, stabilize protein complexes, engineer covalent protein inhibitors, identify phosphatases in living cells, etc. These new covalent linkages provide excellent new tools for protein engineering and biological studies. Their applications in biotherapy will provide considerable opportunities for innovating and improving biomolecular medicines.
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26
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Li S, Wen Z, Ghalandari B, Zhou T, Warden AR, Zhang T, Dai P, Yu Y, Guo W, Liu M, Xie H, Ding X. Single-Cell Immunoblotting based on a Photoclick Hydrogel Enables High-Throughput Screening and Accurate Profiling of Exogenous Gene Expression. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101108. [PMID: 33899289 DOI: 10.1002/adma.202101108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Fast and accurate profiling of exogenous gene expression in host cells is crucial for studying gene function in cellular and molecular biology, but still faces the challenge of incomplete co-expression of reporter genes and target genes. Here, a single-cell transfection analysis chip (scTAC) is presented, which is based on the in situ microchip immunoblotting method, for rapid and accurate analysis of exogenous gene expression in thousands of individual host cells. scTAC not only can assign information of exogenous gene activity to specific transfected cells, but enables the acquisition of continuous protein expression even in low co-expression scenarios. It is demonstrated that scTAC can reveal the relationship of expression level between reporter genes and target genes, which is helpful for evaluating transient transfection strategy efficiency. The advantages of this method for the study of fusion protein expression and downstream protein expression in signaling pathway in rare cells are shown. Empirically, an EGFP-TSPAN8 fusion plasmid is transfected into MCF-7 breast cancer cells and the expressions of two cancer stemness biomarkers (ALDHA1 and SOX2) are analyzed. The scTAC method clearly reveals an interesting phenomenon that transfected adherent MCF-7 cells exhibit some stem cell characteristics, but they do not have stem cell appearance.
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Affiliation(s)
- Shanhe Li
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Ze Wen
- State Key Laboratory of Molecular Biology, State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Behafarid Ghalandari
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Tianhao Zhou
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Antony R Warden
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Ting Zhang
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Peng Dai
- Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China
| | - Youyi Yu
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Wenke Guo
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Mofang Liu
- State Key Laboratory of Molecular Biology, State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Haiyang Xie
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
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27
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Chen H, Wilson J, Ottinger S, Gan Q, Fan C. Introducing noncanonical amino acids for studying and engineering bacterial microcompartments. Curr Opin Microbiol 2021; 61:67-72. [PMID: 33813159 PMCID: PMC8169543 DOI: 10.1016/j.mib.2021.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/28/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
Bacterial microcompartments (BMCs) with selectively permeable shells and encapsulated enzyme cores are well-suited candidates for nano-bioreactors because of their advantages of enhancing pathway flux and protection against toxic products. To better study and engineer protein-based BMCs, a series of protein chemistry approaches are adopted. As one of the most advanced techniques, genetic code expansion can introduce various noncanonical amino acids (ncAAs) with diverse functional groups into target proteins, thus providing powerful tools for protein studies and engineering. This review summarizes and proposes useful tools based on current development of the genetic code expansion technique towards challenges in BMC studies and engineering.
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Affiliation(s)
- Hao Chen
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, USA
| | - Jessica Wilson
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, USA
| | - Sara Ottinger
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, USA
| | - Qinglei Gan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, USA
| | - Chenguang Fan
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, USA; Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, USA.
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28
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Row RD, Nguyen SS, Ferreira AJ, Prescher JA. Chemically triggered crosslinking with bioorthogonal cyclopropenones. Chem Commun (Camb) 2021; 56:10883-10886. [PMID: 32808608 DOI: 10.1039/d0cc04600k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
We report a proximity-driven crosslinking strategy featuring bioorthogonal cyclopropenones. These motifs react with phosphines to form electrophilic ketene-ylides. Such intermediates can be trapped by neighboring proteins to form covalent adducts. Successful crosslinking was achieved using a model split reporter, and the rate of crosslinking could be tuned using different phosphine triggers. We further demonstrated that the reaction can be performed in cell lysate. Based on these features, we anticipate that cyclopropenones will enable unique studies of protein-protein and other biomolecule interactions.
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Affiliation(s)
- R David Row
- Department of Chemistry, University of California, Irvine, California 92697, USA.
| | - Sean S Nguyen
- Department of Chemistry, University of California, Irvine, California 92697, USA.
| | - Andrew J Ferreira
- Department of Chemistry, University of California, Irvine, California 92697, USA.
| | - Jennifer A Prescher
- Department of Chemistry, University of California, Irvine, California 92697, USA. and Department of Molecular Biology & Biochemistry, University of California, Irvine, California 92697, USA and Department of Pharmaceutical Sciences, University of California, Irvine, California 92697, USA
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29
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West AV, Muncipinto G, Wu HY, Huang AC, Labenski MT, Jones LH, Woo CM. Labeling Preferences of Diazirines with Protein Biomolecules. J Am Chem Soc 2021; 143:6691-6700. [PMID: 33876925 DOI: 10.1021/jacs.1c02509] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Diazirines are widely used in photoaffinity labeling (PAL) to trap noncovalent interactions with biomolecules. However, design and interpretation of PAL experiments is challenging without a molecular understanding of the reactivity of diazirines with protein biomolecules. Herein, we report a systematic evaluation of the labeling preferences of alkyl and aryl diazirines with individual amino acids, single proteins, and in the whole cell proteome. We find that alkyl diazirines exhibit preferential labeling of acidic amino acids in a pH-dependent manner that is characteristic of a reactive alkyl diazo intermediate, while the aryl-fluorodiazirine labeling pattern reflects reaction primarily through a carbene intermediate. From a survey of 32 alkyl diazirine probes, we use this reactivity profile to rationalize why alkyl diazirine probes preferentially enrich highly acidic proteins or those embedded in membranes and why probes with a net positive charge tend to produce higher labeling yields in cells and in vitro. These results indicate that alkyl diazirines are an especially effective chemistry for surveying the membrane proteome and will facilitate design and interpretation of biomolecular labeling experiments with diazirines.
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Affiliation(s)
- Alexander V West
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | | | - Hung-Yi Wu
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Andrew C Huang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | | | - Lyn H Jones
- Dana-Farber Cancer Institute, 360 Longwood Avenue, Boston, Massachusetts 02215, United States
| | - Christina M Woo
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
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30
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Gui W, Shen S, Zhuang Z. Photocaged Cell-Permeable Ubiquitin Probe for Temporal Profiling of Deubiquitinating Enzymes. J Am Chem Soc 2020; 142:19493-19501. [PMID: 33141564 DOI: 10.1021/jacs.9b12426] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Photocaged cell-permeable ubiquitin probe holds promise in profiling the activity of cellular deubiquitinating enzymes (DUBs) with the much needed temporal control. Here we report a new photocaged cell-permeable ubiquitin probe that undergoes photoactivation upon 365 nm UV treatment and enables intracellular deubiquitinating enzyme profiling. We used a semisynthetic approach to generate modular ubiquitin-based probe containing a tetrazole-derived warhead at the C-terminus of ubiquitin and employed a cyclic polyarginine cell-penetrating peptide (cR10) conjugated to the N-terminus of ubiquitin via a disulfide linkage to deliver the probe into live cells. Upon 365 nm UV irradiation, the tetrazole group is converted to a nitrilimine intermediate in situ, which reacts with nearby nucleophilic cysteine residue from the DUB active site. The new photocaged cell-permeable probe showed good reactivity toward purified DUBs, including USP2, UCHL1, and UCHL3, upon photoirradiation. The Ub-tetrazole probe was also assessed in HeLa cell lysate and showed robust labeling only upon photoactivation. We further carried out protein profiling in intact HeLa cells using the new photocaged cell-permeable ubiquitin probe and identified DUBs captured by the probe using label-free quantitative (LFQ) mass spectrometry. Importantly, the photocaged cell-permeable ubiquitin probe captured DUBs specifically in respective G1/S and G2/M phases in synchronized HeLa cells. Moreover, using this probe DUBs were profiled at different time points following the release of HeLa cells from G1/S phase. Our results showed that photocaged cell-permeable probe represents a valuable new tool for achieving a better understanding of the cellular functions of DUBs.
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Affiliation(s)
- Weijun Gui
- Department of Chemistry and Biochemistry, University of Delaware, 214A Drake Hall, Newark, Delaware 19716, United States
| | - Siqi Shen
- Department of Chemistry and Biochemistry, University of Delaware, 214A Drake Hall, Newark, Delaware 19716, United States
| | - Zhihao Zhuang
- Department of Chemistry and Biochemistry, University of Delaware, 214A Drake Hall, Newark, Delaware 19716, United States
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31
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Dai SY, Yang D. A Visible and Near-Infrared Light Activatable Diazocoumarin Probe for Fluorogenic Protein Labeling in Living Cells. J Am Chem Soc 2020; 142:17156-17166. [PMID: 32870680 DOI: 10.1021/jacs.0c08068] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Chemical modification of proteins in living cells permits valuable glimpses into the molecular interactions that underpin dynamic cellular events. While genetic engineering methods are often preferred, selective labeling of endogenous proteins in a complex intracellular milieu with chemical approaches represents a significant challenge. In this study, we report novel diazocoumarin compounds that can be photoactivated by visible (430-490 nm) and near-infrared light (800 nm) irradiation to photo-uncage reactive carbene intermediates, which could subsequently undergo an insertion reaction with concomitant fluorescence "turned on". With these new molecules in hand, we have developed a new approach for rapid, selective, and fluorogenic labeling of endogenous protein in living cells. By using CA-II and eDHFR as model proteins, we demonstrated that subcellular localization of proteins can be precisely visualized by live-cell imaging and protein levels can be reliably quantified in multiple cell types using flow cytometry. Dynamic protein regulations such as hypoxia-induced CA-IX accumulation can also be detected. In addition, by two-photon excitation with an 800 nm laser, cell-selective labeling can also be achieved with spatially controlled irradiation. Our method circumvents the cytotoxicity of UV light and obviates the need for introducing external reporters with "click chemistries". We believe that this approach of fluorescence labeling of endogenous protein by bioorthogonal photoirradiation opens up exciting opportunities for discoveries and mechanistic interrogation in chemical biology.
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Affiliation(s)
- Sheng-Yao Dai
- Morningside Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Dan Yang
- Morningside Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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32
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Krauskopf K, Lang K. Increasing the chemical space of proteins in living cells via genetic code expansion. Curr Opin Chem Biol 2020; 58:112-120. [PMID: 32911429 DOI: 10.1016/j.cbpa.2020.07.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/20/2020] [Accepted: 07/27/2020] [Indexed: 01/30/2023]
Abstract
In recent years it has become possible to genetically encode an expanded set of designer amino acids with tailored chemical and physical properties (dubbed unnatural amino acids, UAAs) into proteins in living cells by expanding the genetic code. Together with developments in chemistries that are amenable to and selective within physiological settings, these strategies have started to have a big impact on biological studies, as they enable exciting in cellulo applications. Here we highlight recent advances to covalently stabilize transient protein-protein interactions and capture enzyme substrate-complexes in living cells using proximity-triggered and residue-selective photo-induced crosslinking approaches. Furthermore, we describe recent efforts in controlling enzyme activity with photocaged UAAs and in extending their application to a variety of enzymatic scaffolds. In addition, we discuss the site-specific incorporation of UAAs mimicking post-translational modifications (PTMs) and approaches to generate natively-linked ubiquitin-protein conjugates to probe the role of PTMs in modulating complex cellular networks.
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Affiliation(s)
- Kristina Krauskopf
- Center for Integrated Protein Science Munich (CIPSM), Department of Chemistry, Group of Synthetic Biochemistry, Technical University of Munich, Institute for Advanced Study, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Kathrin Lang
- Center for Integrated Protein Science Munich (CIPSM), Department of Chemistry, Group of Synthetic Biochemistry, Technical University of Munich, Institute for Advanced Study, Lichtenbergstr. 4, 85748, Garching, Germany.
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33
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Jiang HK, Wang YH, Weng JH, Kurkute P, Li CL, Lee MN, Chen PJ, Tseng HW, Tsai MD, Wang YS. Probing the Active Site of Deubiquitinase USP30 with Noncanonical Tryptophan Analogues. Biochemistry 2020; 59:2205-2209. [PMID: 32484330 DOI: 10.1021/acs.biochem.0c00307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Methanosarcina mazei pyrrolysyl-tRNA synthetase (PylRS) and its cognate tRNA have been evolved to generate genetically encoded noncanonical amino acids (ncAAs). Use of tryptophan (Trp) analogues with pyrrole ring modification for their spatial and polarity tuning in enzyme activity and substrate specificity is still limited. Herein, we report the application of an evolved PylRS, FOWRS2, for efficient incorporation of five Trp analogues into the deubiquitinase USP30 to decipher the role of W475 for diubiquitin selectivity. Structures of the five FOWRS-C/Trp analogue complexes at 1.7-2.5 Å resolution showed multiple ncAA binding modes. The W475 near the USP30 active site was replaced with Trp analogues, and the effect on the activity as well as the selectivity toward diubiquitin linkage types was examined. It was found that the Trp analogue with a formyl group attached to the nitrogen atom of the indole ring led to an improved activity of USP30 likely due to enhanced polar interactions and that another Trp analogue, 3-benzothienyl-l-alanine, induced a unique K6-specificity. Collectively, genetically encoded noncanonical Trp analogues by evolved PylRS·tRNACUAPyl pair unravel the spatial role of USP30-W475 in its diubiquitin selectivity.
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Affiliation(s)
- Han-Kai Jiang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan.,Department of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Yi-Hui Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Jui-Hung Weng
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Prashant Kurkute
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan.,Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Chien-Lung Li
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Man-Nee Lee
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Pei-Jung Chen
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Hsueh-Wei Tseng
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan
| | - Ming-Daw Tsai
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
| | - Yane-Shih Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan.,Chemical Biology and Molecular Biophysics Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei 10617, Taiwan
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34
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Li J, Kong H, Zhu C, Zhang Y. Photo-controllable bioorthogonal chemistry for spatiotemporal control of bio-targets in living systems. Chem Sci 2020; 11:3390-3396. [PMID: 34109018 PMCID: PMC8152734 DOI: 10.1039/c9sc06540g] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 03/07/2020] [Indexed: 12/27/2022] Open
Abstract
The establishment of bioorthogonal chemistry is one of the most significant advances in chemical biology using exogenous chemistry to perturb and study biological processes. Photo-modulation of biological systems has realized temporal and spatial control on biomacromolecules in living systems. The combination of photo-modulation and bioorthogonal chemistry is therefore emerging as a new direction to develop new chemical biological tools with spatiotemporal resolution. This minireview will focus on recent development of bioorthogonal chemistry subject to spatiotemporal control through photo-irradiation. Different strategies to realize photo-control on bioorthogonal bond-forming reactions and biological applications of photo-controllable bioorthogonal reactions will be summarized to give a perspective on how the innovations on photo-chemistry can contribute to the development of optochemical biology. Future trends to develop more optochemical tools based on novel photochemistry will also be discussed to envision the development of chemistry-oriented optochemical biology.
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Affiliation(s)
- Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Hao Kong
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Chenghong Zhu
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
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35
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Wagner S, Sudhamalla B, Mannes P, Sappa S, Kavoosi S, Dey D, Wang S, Islam K. Engineering bromodomains with a photoactive amino acid by engaging 'Privileged' tRNA synthetases. Chem Commun (Camb) 2020; 56:3641-3644. [PMID: 32107512 DOI: 10.1039/c9cc09891g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Site-specific placement of unnatural amino acids, particularly those responsive to light, offers an elegant approach to control protein function and capture their fleeting 'interactome'. Herein, we have resurrected 4-(trifluoromethyldiazirinyl)-phenylalanine, an underutilized photo-crosslinker, by introducing several key features including easy synthetic access, site-specific incorporation by 'privileged' synthetases and superior crosslinking efficiency, to develop photo-crosslinkable bromodomains suitable for 'interactome' profiling.
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Affiliation(s)
- Shana Wagner
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
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36
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Livingstone K, Bertrand S, Mowat J, Jamieson C. Metal-free C-C bond formation via coupling of nitrile imines and boronic acids. Chem Sci 2019; 10:10412-10416. [PMID: 32110332 PMCID: PMC6988605 DOI: 10.1039/c9sc03032h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 09/16/2019] [Indexed: 12/20/2022] Open
Abstract
The challenges of developing sustainable methods of carbon-carbon bond formation remains a topic of considerable importance in synthetic chemistry. Capitalizing on the highly reactive nature of the nitrile imine 1,3-dipole, we have developed a novel metal-free coupling of this species with aryl boronic acids. Photochemical generation of a nitrile imine intermediate and trapping with a palette of boronic acids enabled rapid and facile access to a broad library of more than 25 hydrazone derivatives in up to 92% yield, forming a carbon-carbon bond in a metal free fashion. This represents the first reported example of direct reaction between boronic acids and a 1,3-dipole.
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Affiliation(s)
- Keith Livingstone
- Department of Pure and Applied Chemistry , University of Strathclyde , 295 Cathedral St , Glasgow G1 1XL , UK .
| | - Sophie Bertrand
- GlaxoSmithKline Medicines Research Centre , Gunnels Wood Road, Stevenage , Hertfordshire SG1 2NY , UK
| | - Jenna Mowat
- Department of Pure and Applied Chemistry , University of Strathclyde , 295 Cathedral St , Glasgow G1 1XL , UK .
| | - Craig Jamieson
- Department of Pure and Applied Chemistry , University of Strathclyde , 295 Cathedral St , Glasgow G1 1XL , UK .
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37
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Wu H, Kohler J. Photocrosslinking probes for capture of carbohydrate interactions. Curr Opin Chem Biol 2019; 53:173-182. [PMID: 31706134 DOI: 10.1016/j.cbpa.2019.09.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 09/13/2019] [Accepted: 09/17/2019] [Indexed: 01/03/2023]
Abstract
Glycan-mediated interactions are essential in many biological processes and regulate a wide variety of cellular functions. However, characterizing these interactions is difficult because glycan biosynthesis is not template driven and because carbohydrate recognition events are usually of low affinity and transient. Photocrosslinking carbohydrate probes can form a covalent bond with molecules in close proximity on UV irradiation and are capable of capturing interactions between glycans and glycan-binding proteins in situ. Because of these advantages, multiple photocrosslinking carbohydrate probes have been designed and applied to study the biological functions of glycans. This review will discuss recent advances in the development of novel photocrosslinking functional groups and the design of photocrosslinking probes to detect interactions mediated by glycolipids, peptidoglycan, and multivalent carbohydrate ligands. These probes have demonstrated the potential to address some of the major challenges in the study of glycan-mediated interactions in both model systems and in more complex biological settings.
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Affiliation(s)
- Han Wu
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jennifer Kohler
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, TX 75390, USA. http://
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38
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Hu W, Yuan Y, Wang CH, Tian HT, Guo AD, Nie HJ, Hu H, Tan M, Tang Z, Chen XH. Genetically Encoded Residue-Selective Photo-Crosslinker to Capture Protein-Protein Interactions in Living Cells. Chem 2019. [DOI: 10.1016/j.chempr.2019.08.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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39
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Ortiz‐Rojano L, Rojas‐Martín J, Rodríguez‐Diaz C, Carreño MC, Ribagorda M. Light‐Induced Tetrazole‐Quinone 1,3‐Dipolar Cycloadditions. Chemistry 2019; 25:15050-15054. [DOI: 10.1002/chem.201904138] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/01/2019] [Indexed: 01/31/2023]
Affiliation(s)
- Laura Ortiz‐Rojano
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid C/Francisco TomásyValiente 7 28049 Madrid Spain
| | - Jaime Rojas‐Martín
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid C/Francisco TomásyValiente 7 28049 Madrid Spain
| | - Ciro Rodríguez‐Diaz
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid C/Francisco TomásyValiente 7 28049 Madrid Spain
| | - M. Carmen Carreño
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid C/Francisco TomásyValiente 7 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid 28049 Madrid Spain
| | - Maria Ribagorda
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid C/Francisco TomásyValiente 7 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid 28049 Madrid Spain
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40
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Nödling AR, Spear LA, Williams TL, Luk LYP, Tsai YH. Using genetically incorporated unnatural amino acids to control protein functions in mammalian cells. Essays Biochem 2019; 63:237-266. [PMID: 31092687 PMCID: PMC6610526 DOI: 10.1042/ebc20180042] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 03/14/2019] [Accepted: 03/19/2019] [Indexed: 02/07/2023]
Abstract
Genetic code expansion allows unnatural (non-canonical) amino acid incorporation into proteins of interest by repurposing the cellular translation machinery. The development of this technique has enabled site-specific incorporation of many structurally and chemically diverse amino acids, facilitating a plethora of applications, including protein imaging, engineering, mechanistic and structural investigations, and functional regulation. Particularly, genetic code expansion provides great tools to study mammalian proteins, of which dysregulations often have important implications in health. In recent years, a series of methods has been developed to modulate protein function through genetically incorporated unnatural amino acids. In this review, we will first discuss the basic concept of genetic code expansion and give an up-to-date list of amino acids that can be incorporated into proteins in mammalian cells. We then focus on the use of unnatural amino acids to activate, inhibit, or reversibly modulate protein function by translational, optical or chemical control. The features of each approach will also be highlighted.
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Affiliation(s)
| | - Luke A Spear
- School of Chemistry, Cardiff University, Cardiff, Wales, United Kingdom
| | - Thomas L Williams
- School of Chemistry, Cardiff University, Cardiff, Wales, United Kingdom
| | - Louis Y P Luk
- School of Chemistry, Cardiff University, Cardiff, Wales, United Kingdom
| | - Yu-Hsuan Tsai
- School of Chemistry, Cardiff University, Cardiff, Wales, United Kingdom
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41
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Liu J, Li S, Aslam NA, Zheng F, Yang B, Cheng R, Wang N, Rozovsky S, Wang PG, Wang Q, Wang L. Genetically Encoding Photocaged Quinone Methide to Multitarget Protein Residues Covalently in Vivo. J Am Chem Soc 2019; 141:9458-9462. [PMID: 31184146 DOI: 10.1021/jacs.9b01738] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Genetically introducing covalent bonds into proteins in vivo with residue specificity is affording innovative ways for protein research and engineering, yet latent bioreactive unnatural amino acids (Uaas) genetically encoded to date react with one to few natural residues only, limiting the variety of proteins and the scope of applications amenable to this technology. Here we report the genetic encoding of (2 R)-2-amino-3-fluoro-3-(4-((2-nitrobenzyl)oxy) phenyl) propanoic acid (FnbY) in Escherichia coli and mammalian cells. Upon photoactivation, FnbY generated a reactive quinone methide (QM), which selectively reacted with nine natural amino acid residues placed in proximity in proteins directly in live cells. In addition to Cys, Lys, His, and Tyr, photoactivated FnbY also reacted with Trp, Met, Arg, Asn, and Gln, which are inaccessible with existing latent bioreactive Uaas. FnbY thus dramatically expanded the number of residues for covalent targeting in vivo. QM has longer half-life than the intermediates of conventional photo-cross-linking Uaas, and FnbY exhibited cross-linking efficiency higher than p-azido-phenylalanine. The photoactivatable and multitargeting reactivity of FnbY with selectivity toward nucleophilic residues will be valuable for addressing diverse proteins and broadening the scope of applications through exploiting covalent bonding in vivo for chemical biology, biotherapeutics, and protein engineering.
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Affiliation(s)
- Jun Liu
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute , University of California San Francisco , 555 Mission Bay Boulevard South , San Francisco , California 94158 , United States
| | - Shanshan Li
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute , University of California San Francisco , 555 Mission Bay Boulevard South , San Francisco , California 94158 , United States.,Department of Chemistry and Center for Therapeutics and Diagnostics , Georgia State University , Atlanta , Georgia 30302 , United States
| | - Nayyar A Aslam
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Hangzhou 310018 , China
| | - Feng Zheng
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Hangzhou 310018 , China
| | - Bing Yang
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute , University of California San Francisco , 555 Mission Bay Boulevard South , San Francisco , California 94158 , United States
| | - Rujin Cheng
- Department of Chemistry and Biochemistry , University of Delaware , Newark , Delaware 19716 , United States
| | - Nanxi Wang
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute , University of California San Francisco , 555 Mission Bay Boulevard South , San Francisco , California 94158 , United States
| | - Sharon Rozovsky
- Department of Chemistry and Biochemistry , University of Delaware , Newark , Delaware 19716 , United States
| | - Peng G Wang
- Department of Chemistry and Center for Therapeutics and Diagnostics , Georgia State University , Atlanta , Georgia 30302 , United States
| | - Qian Wang
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Hangzhou 310018 , China
| | - Lei Wang
- Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute , University of California San Francisco , 555 Mission Bay Boulevard South , San Francisco , California 94158 , United States
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42
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43
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Iacobucci C, Piotrowski C, Rehkamp A, Ihling CH, Sinz A. The First MS-Cleavable, Photo-Thiol-Reactive Cross-Linker for Protein Structural Studies. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:139-148. [PMID: 29679287 DOI: 10.1007/s13361-018-1952-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 03/06/2018] [Accepted: 03/07/2018] [Indexed: 06/08/2023]
Abstract
Cleavable cross-linkers are gaining increasing importance for chemical cross-linking/mass spectrometry (MS) as they permit a reliable and automated data analysis in structural studies of proteins and protein assemblies. Here, we introduce 1,3-diallylurea (DAU) as the first CID-MS/MS-cleavable, photo-thiol-reactive cross-linker. DAU is a commercially available, inexpensive reagent that efficiently undergoes an anti-Markovnikov hydrothiolation with cysteine residues in the presence of a radical initiator upon UV-A irradiation. Radical cysteine cross-linking proceeds via an orthogonal "click reaction" and yields stable alkyl sulfide products. DAU reacts at physiological pH and cross-linking reactions with peptides, and proteins can be performed at temperatures as low as 4 °C. The central urea bond is efficiently cleaved upon collisional activation during tandem MS experiments generating characteristic product ions. This improves the reliability of automated cross-link identification. Different radical initiators have been screened for the cross-linking reaction of DAU using the thiol-containing compounds cysteine and glutathione. Our concept has also been exemplified for the biologically relevant proteins bMunc13-2 and retinal guanylyl cyclase-activating protein-2. Graphical abstract ᅟ.
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Affiliation(s)
- Claudio Iacobucci
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle (Saale), Germany.
| | - Christine Piotrowski
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle (Saale), Germany
| | - Anne Rehkamp
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle (Saale), Germany
| | - Christian H Ihling
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle (Saale), Germany
| | - Andrea Sinz
- Department of Pharmaceutical Chemistry and Bioanalytics, Institute of Pharmacy, Charles Tanford Protein Center, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle (Saale), Germany.
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Yao Z, Wu X, Zhang X, Xiong Q, Jiang S, Yu Z. Synthesis and evaluation of photo-activatable β-diarylsydnone-l-alanines for fluorogenic photo-click cyclization of peptides. Org Biomol Chem 2019; 17:6777-6781. [DOI: 10.1039/c9ob00898e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
β-Diarylsydnone-l-alanines were designed and introduced into peptides allowing photo-cyclization only in phosphate containing buffer with concomitant fluorescence generation in live cells.
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Affiliation(s)
- Zhuojun Yao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Xueting Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Xiaocui Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Qin Xiong
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Shichao Jiang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Zhipeng Yu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
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45
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Li J, Kong H, Huang L, Cheng B, Qin K, Zheng M, Yan Z, Zhang Y. Visible Light-Initiated Bioorthogonal Photoclick Cycloaddition. J Am Chem Soc 2018; 140:14542-14546. [DOI: 10.1021/jacs.8b08175] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hao Kong
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Lei Huang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Bo Cheng
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Ke Qin
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Mengmeng Zheng
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zheng Yan
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Nguyen TA, Cigler M, Lang K. Expanding the Genetic Code to Study Protein-Protein Interactions. Angew Chem Int Ed Engl 2018; 57:14350-14361. [PMID: 30144241 DOI: 10.1002/anie.201805869] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/20/2018] [Indexed: 12/19/2022]
Abstract
Protein-protein interactions are central to many biological processes. A considerable challenge consists however in understanding and deciphering when and how proteins interact, and this can be particularly difficult when interactions are weak and transient. The site-specific incorporation of unnatural amino acids (UAAs) that crosslink with nearby molecules in response to light provides a powerful tool for mapping transient protein-protein interactions and for defining the structure and topology of protein complexes both in vitro and in vivo. Complementary strategies consist in site-specific incorporation of UAAs bearing electrophilic moieties that react with natural nucleophilic amino acids in a proximity-dependent manner, thereby chemically stabilizing low-affinity interactions and providing additional constraints on distances and geometries in protein complexes. Herein, we review how UAAs bearing fine-tuned chemical moieties that react with proteins in their vicinity can be utilized to map, study, and characterize weak and transient protein-protein interactions in living systems.
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Affiliation(s)
- Tuan-Anh Nguyen
- Center for Integrated Protein Science Munich (CIPSM), Department of Chemistry, Group of Synthetic Biochemistry, Technical University of Munich, Institute for Advanced Study, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Marko Cigler
- Center for Integrated Protein Science Munich (CIPSM), Department of Chemistry, Group of Synthetic Biochemistry, Technical University of Munich, Institute for Advanced Study, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Kathrin Lang
- Center for Integrated Protein Science Munich (CIPSM), Department of Chemistry, Group of Synthetic Biochemistry, Technical University of Munich, Institute for Advanced Study, Lichtenbergstr. 4, 85748, Garching, Germany
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47
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Nguyen TA, Cigler M, Lang K. Expanding the Genetic Code to Study Protein-Protein Interactions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805869] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Tuan-Anh Nguyen
- Center for Integrated Protein Science Munich (CIPSM); Department of Chemistry; Group of Synthetic Biochemistry; Technical University of Munich; Institute for Advanced Study; Lichtenbergstr. 4 85748 Garching Germany
| | - Marko Cigler
- Center for Integrated Protein Science Munich (CIPSM); Department of Chemistry; Group of Synthetic Biochemistry; Technical University of Munich; Institute for Advanced Study; Lichtenbergstr. 4 85748 Garching Germany
| | - Kathrin Lang
- Center for Integrated Protein Science Munich (CIPSM); Department of Chemistry; Group of Synthetic Biochemistry; Technical University of Munich; Institute for Advanced Study; Lichtenbergstr. 4 85748 Garching Germany
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48
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Sasmal R, Das Saha N, Pahwa M, Rao S, Joshi D, Inamdar MS, Sheeba V, Agasti SS. Synthetic Host-Guest Assembly in Cells and Tissues: Fast, Stable, and Selective Bioorthogonal Imaging via Molecular Recognition. Anal Chem 2018; 90:11305-11314. [PMID: 30148612 PMCID: PMC6569623 DOI: 10.1021/acs.analchem.8b01851] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 08/27/2018] [Indexed: 12/16/2022]
Abstract
Bioorthogonal strategies are continuing to pave the way for new analytical tools in biology. Although a significant amount of progress has been made in developing covalent reaction based bioorthogonal strategies, balanced reactivity, and stability are often difficult to achieve from these systems. Alternatively, despite being kinetically beneficial, the development of noncovalent approaches that utilize fully synthetic and stable components remains challenging due to the lack of selectivity in conventional noncovalent interactions in the living cellular environment. Herein, we introduce a bioorthogonal assembly strategy based on a synthetic host-guest system featuring Cucurbit[7]uril (CB[7]) and adamantylamine (ADA). We demonstrate that highly selective and ultrastable host-guest interaction between CB[7] and ADA provides a noncovalent mechanism for assembling labeling agents, such as fluorophores and DNA, in cells and tissues for bioorthogonal imaging of molecular targets. Additionally, by combining with covalent reaction, we show that this CB[7]-ADA based noncovalent interaction enables simultaneous bioorthogonal labeling and multiplexed imaging in cells as well as tissue sections. Finally, we show that interaction between CB[7] and ADA fulfills the demands of specificity and stability that is required for assembling molecules in the complexities of a living cell. We demonstrate this by sensitive detection of metastatic cancer-associated cell surface protein marker as well as by showing the distribution and dynamics of F-actin in living cells.
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Affiliation(s)
- Ranjan Sasmal
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
| | - Nilanjana Das Saha
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
- Chemistry & Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
| | - Meenakshi Pahwa
- Chemistry & Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
| | - Sushma Rao
- Neuroscience
Unit, Jawaharlal Nehru Centre for Advanced
Scientific Research (JNCASR), Bangalore, Karnataka 560064, India
| | - Divyesh Joshi
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, Karnataka 560064, India
| | - Maneesha S. Inamdar
- Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, Karnataka 560064, India
| | - Vasu Sheeba
- Neuroscience
Unit, Jawaharlal Nehru Centre for Advanced
Scientific Research (JNCASR), Bangalore, Karnataka 560064, India
| | - Sarit S. Agasti
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
- Chemistry & Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
- School of Advanced Materials” (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research
(JNCASR), Bangalore, Karnataka 560064, India
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49
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Mishiro K, Yushima Y, Kunishima M. Phototriggered Ketone Formation from an Aminocyclopropenone and a Carboxylic Acid. J Org Chem 2018; 83:13595-13603. [PMID: 30259738 DOI: 10.1021/acs.joc.8b02250] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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50
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Pal S, Ganesan K, Eswaran S. Chemical Crosslinking-Mass Spectrometry (CXL-MS) for Proteomics, Antibody-Drug Conjugates (ADCs) and Cryo-Electron Microscopy (cryo-EM). IUBMB Life 2018; 70:947-960. [DOI: 10.1002/iub.1916] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 06/06/2018] [Accepted: 06/27/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Shreya Pal
- Amity University Haryana; Manesar Haryana India
| | | | - Sambasivan Eswaran
- Regional Centre for Biotechnology (Established by DBT, Govt. of India under the auspices of UNESCO); NCR Biotech Science Cluster; Faridabad Haryana India
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