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Zeng W, Xue J, Geng H, Liu X, Yang J, Shen W, Yuan Y, Qiang Y, Zhu Q. Research progress on chemical modifications of tyrosine residues in peptides and proteins. Biotechnol Bioeng 2024; 121:799-822. [PMID: 38079153 DOI: 10.1002/bit.28622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 10/11/2023] [Accepted: 11/26/2023] [Indexed: 02/20/2024]
Abstract
The chemical modifications (CMs) of protein is an important technique in chemical biology, protein-based therapy, and material science. In recent years, there has been rapid advances in the development of CMs of peptides and proteins, providing new approaches for peptide and protein functionalization, as well as drug discovery. In this review, we highlight the methods for chemically modifying tyrosine (Tyr) residues in different regions, offering a comprehensive exposition of the research content related to Tyr modification. This review summarizes and provides an outlook on Tyr residue modification, aiming to offer readers assistance in the site-selective modification of macromolecules and to facilitate application research in this field.
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Affiliation(s)
- Wei Zeng
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Jianyuan Xue
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Haoxing Geng
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Xia Liu
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Jin Yang
- Department of Biotechnology and the Quality Management, Zhejiang Pharmaceutical Industry Co. Ltd., Hangzhou, China
| | - Wei Shen
- Department of Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Yuqing Yuan
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Yujie Qiang
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Qing Zhu
- Department of Biotechnology and the Quality Management, Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
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2
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De Jesus IS, Vélez JAC, Pissinati EF, Correia JTM, Rivera DG, Paixao MW. Recent Advances in Photoinduced Modification of Amino Acids, Peptides, and Proteins. CHEM REC 2024; 24:e202300322. [PMID: 38279622 DOI: 10.1002/tcr.202300322] [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: 10/09/2023] [Revised: 12/01/2023] [Indexed: 01/28/2024]
Abstract
The chemical modification of biopolymers like peptides and proteins is a key technology to access vaccines and pharmaceuticals. Similarly, the tunable derivatization of individual amino acids is important as they are key building blocks of biomolecules, bioactive natural products, synthetic polymers, and innovative materials. The high diversity of functional groups present in amino acid-based molecules represents a significant challenge for their selective derivatization Recently, visible light-mediated transformations have emerged as a powerful strategy for achieving chemoselective biomolecule modification. This technique offers numerous advantages over other methods, including a higher selectivity, mild reaction conditions and high functional-group tolerance. This review provides an overview of the most recent methods covering the photoinduced modification for single amino acids and site-selective functionalization in peptides and proteins under mild and even biocompatible conditions. Future challenges and perspectives are discussed beyond the diverse types of photocatalytic transformations that are currently available.
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Affiliation(s)
- Iva S De Jesus
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jeimy A C Vélez
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Emanuele F Pissinati
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Jose Tiago M Correia
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
| | - Daniel G Rivera
- Laboratory of Synthetic and Biomolecular Chemistry, Faculty of Chemistry, University of Havana Zapata & G, Havana, 10400, Cuba
| | - Márcio W Paixao
- Laboratory for Sustainable Organic Synthesis and Catalysis, Department of Chemistry, Federal University of São Carlos - UFSCar, São Carlos, São Paulo, 13565-905, Brazil
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3
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Dowman LJ, Kulkarni SS, Alegre-Requena JV, Giltrap AM, Norman AR, Sharma A, Gallegos LC, Mackay AS, Welegedara AP, Watson EE, van Raad D, Niederacher G, Huhmann S, Proschogo N, Patel K, Larance M, Becker CFW, Mackay JP, Lakhwani G, Huber T, Paton RS, Payne RJ. Site-selective photocatalytic functionalization of peptides and proteins at selenocysteine. Nat Commun 2022; 13:6885. [PMID: 36371402 PMCID: PMC9653470 DOI: 10.1038/s41467-022-34530-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 10/27/2022] [Indexed: 11/15/2022] Open
Abstract
The importance of modified peptides and proteins for applications in drug discovery, and for illuminating biological processes at the molecular level, is fueling a demand for efficient methods that facilitate the precise modification of these biomolecules. Herein, we describe the development of a photocatalytic method for the rapid and efficient dimerization and site-specific functionalization of peptide and protein diselenides. This methodology, dubbed the photocatalytic diselenide contraction, involves irradiation at 450 nm in the presence of an iridium photocatalyst and a phosphine and results in rapid and clean conversion of diselenides to reductively stable selenoethers. A mechanism for this photocatalytic transformation is proposed, which is supported by photoluminescence spectroscopy and density functional theory calculations. The utility of the photocatalytic diselenide contraction transformation is highlighted through the dimerization of selenopeptides, and by the generation of two families of protein conjugates via the site-selective modification of calmodulin containing the 21st amino acid selenocysteine, and the C-terminal modification of a ubiquitin diselenide.
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Affiliation(s)
- Luke J Dowman
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Sameer S Kulkarni
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Juan V Alegre-Requena
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523-1872, USA
| | - Andrew M Giltrap
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Alexander R Norman
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Ashish Sharma
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence in Exciton Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Liliana C Gallegos
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523-1872, USA
| | - Angus S Mackay
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Adarshi P Welegedara
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Emma E Watson
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Damian van Raad
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Gerhard Niederacher
- Institute of Biological Chemistry, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Susanne Huhmann
- Institute of Biological Chemistry, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Nicholas Proschogo
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Karishma Patel
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Mark Larance
- Charles Perkins Centre and School of Medical Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Christian F W Becker
- Institute of Biological Chemistry, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Joel P Mackay
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Girish Lakhwani
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence in Exciton Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Thomas Huber
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Robert S Paton
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523-1872, USA
| | - Richard J Payne
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia.
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia.
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4
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Declas N, Maynard JRJ, Menin L, Gasilova N, Götze S, Sprague JL, Stallforth P, Matile S, Waser J. Tyrosine bioconjugation with hypervalent iodine. Chem Sci 2022; 13:12808-12817. [PMID: 36519034 PMCID: PMC9645396 DOI: 10.1039/d2sc04558c] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/03/2022] [Indexed: 01/24/2023] Open
Abstract
Hypervalent iodine reagents have recently emerged as powerful tools for late-stage peptide and protein functionalization. Herein we report a tyrosine bioconjugation methodology for the introduction of hypervalent iodine onto biomolecules under physiological conditions. Tyrosine residues were engaged in a selective addition onto the alkynyl bond of ethynylbenziodoxolones (EBX), resulting in stable vinylbenziodoxolones (VBX) bioconjugates. The methodology was successfully applied to peptides and proteins and tolerated all other nucleophilic residues, with the exception of cysteine. The generated VBX were further functionalized by palladium-catalyzed cross-coupling and azide-alkyne cycloaddition reactions. The method could be successfully used to modify bioactive natural products and native streptavidin to enable thiol-mediated cellular uptake.
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Affiliation(s)
- Nina Declas
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - John R J Maynard
- Department of Organic Chemistry, University of Geneva 1211 Geneva Switzerland
| | - Laure Menin
- Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne, EPFL 1015 Lausanne Switzerland
| | - Natalia Gasilova
- Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne, EPFL 1015 Lausanne Switzerland
| | - Sebastian Götze
- Department of Paleobiotechnology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI) 07745 Jena Germany
| | - Jakob L Sprague
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI) 07745 Jena Germany
| | - Pierre Stallforth
- Department of Paleobiotechnology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI) 07745 Jena Germany
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva 1211 Geneva Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Institut des Sciences et Ingénierie Chimique, Ecole Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
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5
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Permana D, Putra HE, Djaenudin D. Designed protein multimerization and polymerization for functionalization of proteins. Biotechnol Lett 2022; 44:341-365. [PMID: 35083582 PMCID: PMC8791688 DOI: 10.1007/s10529-021-03217-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 12/04/2021] [Indexed: 12/15/2022]
Abstract
Abstract Multimeric and polymeric proteins are large biomacromolecules consisting of multiple protein molecules as their monomeric units, connected through covalent or non-covalent bonds. Genetic modification and post-translational modifications (PTMs) of proteins offer alternative strategies for designing and creating multimeric and polymeric proteins. Multimeric proteins are commonly prepared by genetic modification, whereas polymeric proteins are usually created through PTMs. There are two methods that can be applied to create polymeric proteins: self-assembly and crosslinking. Self-assembly offers a spontaneous reaction without a catalyst, while the crosslinking reaction offers some catalyst options, such as chemicals and enzymes. In addition, enzymes are excellent catalysts because they provide site-specificity, rapid reaction, mild reaction conditions, and activity and functionality maintenance of protein polymers. However, only a few enzymes are applicable for the preparation of protein polymers. Most of the other enzymes are effective only for protein conjugation or labeling. Here, we review novel and applicable strategies for the preparation of multimeric proteins through genetic modification and self-assembly. We then describe the formation of protein polymers through site-selective crosslinking reactions catalyzed by enzymes, crosslinking reactions of non-natural amino acids, and protein-peptide (SpyCatcher/SpyTag) interactions. Finally, we discuss the potential applications of these protein polymers. Graphical abstract ![]()
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Affiliation(s)
- Dani Permana
- Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan. .,Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia.
| | - Herlian Eriska Putra
- Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia
| | - Djaenudin Djaenudin
- Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia
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6
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Taylor MT. Photochemical protein modification in complex biological environments: recent advances and considerations for future chemical methods development. Biol Chem 2022; 403:413-420. [PMID: 35073619 PMCID: PMC10163948 DOI: 10.1515/hsz-2021-0351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 01/12/2022] [Indexed: 12/29/2022]
Abstract
Abstract
The development of organic reactions that covalently modify biological matter in complex biological mixtures has become an invaluable asset in drug discovery. Out of the techniques developed to date, optically controlled chemistries are of particular utility owing to both the spatiotemporal control afforded by optical control as well as the impressive array of transformations that are driven by the highly reactive intermediates generated upon excitation. This minireview discusses recent advances in the development of photochemical reactions for use in complex mixtures and highlights key considerations for future photochemical reaction designs.
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Affiliation(s)
- Michael T Taylor
- Department of Chemistry, University of Wyoming, 1000 E. University Ave., Laramie, WY 82071, USA
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7
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Liu W, Watson EE, Winssinger N. Photocatalysis in Chemical Biology: Extending the Scope of Optochemical Control and Towards New Frontiers in Semisynthetic Bioconjugates and Biocatalysis. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Weilong Liu
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Emma E. Watson
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
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8
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Lechner VM, Nappi M, Deneny PJ, Folliet S, Chu JCK, Gaunt MJ. Visible-Light-Mediated Modification and Manipulation of Biomacromolecules. Chem Rev 2021; 122:1752-1829. [PMID: 34546740 DOI: 10.1021/acs.chemrev.1c00357] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemically modified biomacromolecules-i.e., proteins, nucleic acids, glycans, and lipids-have become crucial tools in chemical biology. They are extensively used not only to elucidate cellular processes but also in industrial applications, particularly in the context of biopharmaceuticals. In order to enable maximum scope for optimization, it is pivotal to have a diverse array of biomacromolecule modification methods at one's disposal. Chemistry has driven many significant advances in this area, and especially recently, numerous novel visible-light-induced photochemical approaches have emerged. In these reactions, light serves as an external source of energy, enabling access to highly reactive intermediates under exceedingly mild conditions and with exquisite spatiotemporal control. While UV-induced transformations on biomacromolecules date back decades, visible light has the unmistakable advantage of being considerably more biocompatible, and a spectrum of visible-light-driven methods is now available, chiefly for proteins and nucleic acids. This review will discuss modifications of native functional groups (FGs), including functionalization, labeling, and cross-linking techniques as well as the utility of oxidative degradation mediated by photochemically generated reactive oxygen species. Furthermore, transformations at non-native, bioorthogonal FGs on biomacromolecules will be addressed, including photoclick chemistry and DNA-encoded library synthesis as well as methods that allow manipulation of the activity of a biomacromolecule.
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Affiliation(s)
- Vivian M Lechner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Manuel Nappi
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Patrick J Deneny
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Sarah Folliet
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - John C K Chu
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J Gaunt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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9
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Interrogating biological systems using visible-light-powered catalysis. Nat Rev Chem 2021; 5:322-337. [PMID: 37117838 DOI: 10.1038/s41570-021-00265-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2021] [Indexed: 12/12/2022]
Abstract
Light-powered catalysis has found broad utility as a chemical transformation strategy, with widespread impact on energy, environment, drug discovery and human health. A noteworthy application impacting human health is light-induced sensitization of cofactors for photodynamic therapy in cancer treatment. The clinical adoption of this photosensitization approach has inspired the search for other photochemical methods, such as photoredox catalysis, to influence biological discovery. Over the past decade, light-mediated catalysis has enabled the discovery of valuable synthetic transformations, propelling it to become a highly utilized chemical synthesis strategy. The reaction components required to achieve a photoredox reaction are identical to photosensitization (catalyst, light source and substrate), making it ideally suited for probing biological environments. In this Review, we discuss the therapeutic application of photosensitization and advancements made in developing next-generation catalysts. We then highlight emerging uses of photoredox catalytic methods for protein bioconjugation and probing complex cellular environments in living cells.
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10
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Dhanjee HH, Buslov I, Windsor IW, Raines RT, Pentelute BL, Buchwald SL. Palladium-Protein Oxidative Addition Complexes by Amine-Selective Acylation. J Am Chem Soc 2020; 142:21237-21242. [PMID: 33319995 DOI: 10.1021/jacs.0c09180] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Palladium oxidative addition complexes (OACs) are traditionally accessed by treating an aryl halide-containing substrate with a palladium(0) source. Here, a new strategy to selectively prepare stable OACs from amino groups on native proteins is presented. The approach relies on an amine-selective acylation reaction that occurs without modification of a preformed palladium(II)-aryl group. Once transferred onto a protein substrate, the palladium(II)-aryl group facilitates conjugation by undergoing reaction with a second, cysteine-containing protein. This operationally simple method is applicable to native, nonengineered enzymes as well as antibodies and is carried out in an aqueous setting and open to air. The resulting Pd-protein OACs are stable, storable reagents that retain biological activity and can be used to achieve protein-protein cross-coupling at nanomolar concentrations within hours.
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Affiliation(s)
- Heemal H Dhanjee
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ivan Buslov
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ian W Windsor
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ronald T Raines
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Bradley L Pentelute
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Stephen L Buchwald
- Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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11
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Bissonnette NB, Ryu KA, Reyes‐Robles T, Wilhelm S, Tomlinson JH, Crotty KA, Hett EC, Roberts LR, Hazuda DJ, Jared Willis M, Oslund RC, Fadeyi OO. Design of a Multiuse Photoreactor To Enable Visible-Light Photocatalytic Chemical Transformations and Labeling in Live Cells. Chembiochem 2020; 21:3555-3562. [PMID: 32749732 PMCID: PMC7756335 DOI: 10.1002/cbic.202000392] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/31/2020] [Indexed: 12/18/2022]
Abstract
Despite the growing use of visible-light photochemistry in both chemistry and biology, no general low-heat photoreactor for use across these different disciplines exists. Herein, we describe the design and use of a standardized photoreactor for visible-light-driven activation and photocatalytic chemical transformations. Using this single benchtop photoreactor, we performed photoredox reactions across multiple visible light wavelengths, a high-throughput photocatalytic cross-coupling reaction, and in vitro labeling of proteins and live cells. Given the success of this reactor in all tested applications, we envision that this multi-use photoreactor will be widely used in biology, chemical biology, and medicinal chemistry settings.
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Affiliation(s)
- Noah B. Bissonnette
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Keun Ah Ryu
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Tamara Reyes‐Robles
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Sharon Wilhelm
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Jake H. Tomlinson
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Kelly A. Crotty
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Erik C. Hett
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Lee R. Roberts
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
| | - Daria J. Hazuda
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
- Infectious Diseases and Vaccine ResearchMerck & Co.Inc. Merck Research LaboratoriesWest PointPA 19486USA
| | | | - Rob C. Oslund
- Exploratory Science CenterMerck & Co.Inc.320 Bent StreetCambridgeMA 02141USA
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12
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Single electron transfer-based peptide/protein bioconjugations driven by biocompatible energy input. Commun Chem 2020; 3:171. [PMID: 36703459 PMCID: PMC9814624 DOI: 10.1038/s42004-020-00413-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 10/13/2020] [Indexed: 01/29/2023] Open
Abstract
Bioconjugation reactions play a central facilitating role in engendering modified peptides and proteins. Early progress in this area was inhibited by challenges such as the limited range of substrates and the relatively poor biocompatibility of bioconjugation reagents. However, the recent developments in visible-light induced photoredox catalysis and electrochemical catalysis reactions have permitted significant novel reactivities to be developed in the field of synthetic and bioconjugation chemistry. This perspective describes recent advances in the use of biocompatible energy input for the modification of peptides and proteins mainly, via the single electron transfer (SET) process, as well as key future developments in this area.
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13
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Li P, Terrett JA, Zbieg JR. Visible-Light Photocatalysis as an Enabling Technology for Drug Discovery: A Paradigm Shift for Chemical Reactivity. ACS Med Chem Lett 2020; 11:2120-2130. [PMID: 33214820 PMCID: PMC7667657 DOI: 10.1021/acsmedchemlett.0c00436] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 09/21/2020] [Indexed: 01/08/2023] Open
Abstract
Visible light-mediated photocatalysis, which relies on the ability of photocatalysts to absorb low-energy visible light and engage in single-electron transfer (SET) or energy transfer (ET) processes with organic substrates, has emerged as one of the fastest growing fields in organic synthesis. This catalytic platform enables a highly selective approach to promote radical-based organic transformations which unlocks unique reaction pathways. Due to the extremely mild conditions of these transformations and compatibility in aqueous environments, photocatalysis has emerged as an enabling technology in drug discovery. Photocatalysis is uniquely positioned for application in pharmaceutical development because of its demonstrated potential for broad functional group tolerance, biocompatibility, site-specific selectivity, and operational simplicity. This review will highlight the recent advances of visible-light photocatalysis through its application in peptide functionalization, protein bioconjugation, Csp 3-Csp 2 cross-coupling, late-stage functionalization, isotopic labeling, DNA-encoded library technology (DELT), and microenvironment mapping (μMap).
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Affiliation(s)
- Peijun Li
- Discovery Chemistry, Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jack A. Terrett
- Discovery Chemistry, Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jason R. Zbieg
- Discovery Chemistry, Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
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14
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Alvarez Dorta D, Deniaud D, Mével M, Gouin SG. Tyrosine Conjugation Methods for Protein Labelling. Chemistry 2020; 26:14257-14269. [DOI: 10.1002/chem.202001992] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/09/2020] [Indexed: 12/23/2022]
Affiliation(s)
| | - David Deniaud
- CNRS, CEISAM UMR, 6230 Université de Nantes 44000 Nantes France
| | - Mathieu Mével
- CHU de Nantes, INSERM UMR 1089 Université de Nantes 44200 Nantes France
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15
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Tower SJ, Hetcher WJ, Myers TE, Kuehl NJ, Taylor MT. Selective Modification of Tryptophan Residues in Peptides and Proteins Using a Biomimetic Electron Transfer Process. J Am Chem Soc 2020; 142:9112-9118. [PMID: 32348670 DOI: 10.1021/jacs.0c03039] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We report here a photochemical process for the selective modification of tryptophan (Trp) residues in peptides and small proteins using electron-responsive N-carbamoylpyridinium salts and UV-B light. Preliminary mechanistic experiments suggest that the photoconjugation process proceeds through photoinduced electron transfer (PET) between Trp and the pyridinium salt, followed by fragmentation of the pyridinium N-N bond and concomitant transfer of this group to Trp. The reaction displays excellent site selectivity for Trp and is tolerant to other, redox-active amino-acid residues. Moreover, the reaction proceeds in pure aqueous conditions without the requirement of organic cosolvents or photocatalysts, is enhanced by glutathione, and operates efficiently over a wide range of peptide concentrations (10-700 μM). The scope of the process was explored through the labeling of 6-Trp-containing peptides and proteins ranging from 1 to 14 kDa. We demonstrate the versatility of the N-carbamoylpyridinium salt both by tuning the electrochemical and photochemical properties of the pyridinium scaffold to enable challenging photoconjugation reactions and by using the carbamoyl moiety to tether a plethora of productive functional groups, including reactive handles, purification tags, and removable protecting groups.
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Affiliation(s)
- Samantha J Tower
- University of Wyoming, Department of Chemistry, Laramie, Wyoming 82071, United States
| | - Wesley J Hetcher
- University of Wyoming, Department of Chemistry, Laramie, Wyoming 82071, United States
| | - Tyler E Myers
- University of Wyoming, Department of Chemistry, Laramie, Wyoming 82071, United States
| | - Nicholas J Kuehl
- University of Wyoming, Department of Chemistry, Laramie, Wyoming 82071, United States
| | - Michael T Taylor
- University of Wyoming, Department of Chemistry, Laramie, Wyoming 82071, United States
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16
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Brandhofer T, Mancheño OG. Versatile Ru‐Photoredox‐Catalyzed Functionalization of Dehydro‐Amino Acids and Peptides. ChemCatChem 2019. [DOI: 10.1002/cctc.201900446] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Tobias Brandhofer
- Organic Chemistry InstituteMünster University Corrensstrasse 40 Münster 48149 Germany
- Institute for Organic ChemistryRegensburg University Universitätsstrasse 31 Regensburg 93053 Germany
| | - Olga García Mancheño
- Organic Chemistry InstituteMünster University Corrensstrasse 40 Münster 48149 Germany
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17
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Zhang C, Vinogradova EV, Spokoyny AM, Buchwald SL, Pentelute BL. Arylation Chemistry for Bioconjugation. Angew Chem Int Ed Engl 2019; 58:4810-4839. [PMID: 30399206 PMCID: PMC6433541 DOI: 10.1002/anie.201806009] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Indexed: 12/20/2022]
Abstract
Bioconjugation chemistry has been used to prepare modified biomolecules with functions beyond what nature intended. Central to these techniques is the development of highly efficient and selective bioconjugation reactions that operate under mild, biomolecule compatible conditions. Methods that form a nucleophile-sp2 carbon bond show promise for creating bioconjugates with new modifications, sometimes resulting in molecules with unparalleled functions. Here we outline and review sulfur, nitrogen, selenium, oxygen, and carbon arylative bioconjugation strategies and their applications to modify peptides, proteins, sugars, and nucleic acids.
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Affiliation(s)
- Chi Zhang
- Dr. C. Zhang, Dr. E. V. Vinogradova, Prof. Dr. A. M. Spokoyny, Prof. Dr. S. L. Buchwald, Prof. Dr. B. L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ,
| | - Ekaterina V. Vinogradova
- Dr. C. Zhang, Dr. E. V. Vinogradova, Prof. Dr. A. M. Spokoyny, Prof. Dr. S. L. Buchwald, Prof. Dr. B. L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ,
- Dr. E. V. Vinogradova, The Skaggs Institute for Chemical Biology and Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Alexander M. Spokoyny
- Dr. C. Zhang, Dr. E. V. Vinogradova, Prof. Dr. A. M. Spokoyny, Prof. Dr. S. L. Buchwald, Prof. Dr. B. L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ,
- Prof. Dr. A. M. Spokoyny, Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, USA
| | - Stephen L. Buchwald
- Dr. C. Zhang, Dr. E. V. Vinogradova, Prof. Dr. A. M. Spokoyny, Prof. Dr. S. L. Buchwald, Prof. Dr. B. L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ,
| | - Bradley L. Pentelute
- Dr. C. Zhang, Dr. E. V. Vinogradova, Prof. Dr. A. M. Spokoyny, Prof. Dr. S. L. Buchwald, Prof. Dr. B. L. Pentelute, Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ,
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18
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Ohata J, Martin SC, Ball ZT. Metallvermittelte Funktionalisierung natürlicher Peptide und Proteine: Biokonjugation mit Übergangsmetallen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201807536] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jun Ohata
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
| | - Samuel C. Martin
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
| | - Zachary T. Ball
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
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19
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Ohata J, Martin SC, Ball ZT. Metal‐Mediated Functionalization of Natural Peptides and Proteins: Panning for Bioconjugation Gold. Angew Chem Int Ed Engl 2019; 58:6176-6199. [DOI: 10.1002/anie.201807536] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Jun Ohata
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
| | - Samuel C. Martin
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
| | - Zachary T. Ball
- Department of Chemistry Rice University 6100 Main Houston TX 77005 USA
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20
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Zhang C, Vinogradova EV, Spokoyny AM, Buchwald SL, Pentelute BL. Arylierungschemie für die Biokonjugation. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201806009] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Chi Zhang
- Department of ChemistryMassachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Ekaterina V. Vinogradova
- Department of ChemistryMassachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
- The Skaggs Institute for Chemical Biology and Department of Molecular MedicineThe Scripps Research Institute La Jolla CA 92037 USA
| | - Alexander M. Spokoyny
- Department of ChemistryMassachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
- Department of Chemistry and BiochemistryUniversity of California, Los Angeles 607 Charles E. Young Drive East Los Angeles CA 90095 USA
| | - Stephen L. Buchwald
- Department of ChemistryMassachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Bradley L. Pentelute
- Department of ChemistryMassachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA
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21
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Bottecchia C, Noël T. Photocatalytic Modification of Amino Acids, Peptides, and Proteins. Chemistry 2018; 25:26-42. [PMID: 30063101 PMCID: PMC6348373 DOI: 10.1002/chem.201803074] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/27/2018] [Indexed: 02/06/2023]
Abstract
In the last decade, visible‐light photoredox catalysis has emerged as a powerful strategy to enable novel transformations in organic synthesis. Owing to mild reaction conditions (i.e., room temperature, use of visible light) and high functional‐group tolerance, photoredox catalysis could represent an ideal strategy for chemoselective biomolecule modification. Indeed, a recent trend in photoredox catalysis is its application to the development of novel methodologies for amino acid modification. Herein, an up‐to‐date overview of photocatalytic methodologies for the modification of single amino acids, peptides, and proteins is provided. The advantages offered by photoredox catalysis and its suitability in the development of novel biocompatible methodologies are described. In addition, a brief consideration of the current limitations of photocatalytic approaches, as well as future challenges to be addressed, are discussed.
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Affiliation(s)
- Cecilia Bottecchia
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry and Process Technology, Eindhoven University of Technology, De Rondom 70 (STO 1.37), 5612 AP, Eindhoven, The Netherlands
| | - Timothy Noël
- Department of Chemical Engineering and Chemistry, Micro Flow Chemistry and Process Technology, Eindhoven University of Technology, De Rondom 70 (STO 1.37), 5612 AP, Eindhoven, The Netherlands
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22
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Jiménez HR, Arbona M. Spectroscopic studies of water-soluble superstructured iron(III) porphyrin. Interaction with the bovine serum albumin protein. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1434624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Hermas R. Jiménez
- Facultad de Química, Departamento de Química Inorgánica, Universitat de València, Valencia, Spain
| | - María Arbona
- Conselleria de Cultura, Educació i Ciència, Generalitat Valenciana, Valencia, Spain
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23
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Estalayo-Adrián S, Garnir K, Moucheron C. Perspectives of ruthenium(ii) polyazaaromatic photo-oxidizing complexes photoreactive towards tryptophan-containing peptides and derivatives. Chem Commun (Camb) 2018; 54:322-337. [DOI: 10.1039/c7cc06542f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
This review focuses on recent advances in the search for RuII polyazaaromatic complexes as molecular photoreagents for tryptophan-containing peptides and proteins, in view of future biomedical applications.
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Affiliation(s)
- S. Estalayo-Adrián
- Organic Chemistry and Photochemistry
- Université Libre de Bruxelles, (U. L. B.)
- 1050 Bruxelles
- Belgium
| | - K. Garnir
- Organic Chemistry and Photochemistry
- Université Libre de Bruxelles, (U. L. B.)
- 1050 Bruxelles
- Belgium
| | - C. Moucheron
- Organic Chemistry and Photochemistry
- Université Libre de Bruxelles, (U. L. B.)
- 1050 Bruxelles
- Belgium
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24
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Jbara M, Maity SK, Brik A. Palladium in der chemischen Synthese und Modifizierung von Proteinen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702370] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Muhammad Jbara
- Schulich Faculty of Chemie; Technion - Israel Institute of Technology; Haifa 3200008 Israel
| | - Suman Kumar Maity
- Schulich Faculty of Chemie; Technion - Israel Institute of Technology; Haifa 3200008 Israel
| | - Ashraf Brik
- Schulich Faculty of Chemie; Technion - Israel Institute of Technology; Haifa 3200008 Israel
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25
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Jbara M, Maity SK, Brik A. Palladium in the Chemical Synthesis and Modification of Proteins. Angew Chem Int Ed Engl 2017; 56:10644-10655. [DOI: 10.1002/anie.201702370] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Indexed: 01/24/2023]
Affiliation(s)
- Muhammad Jbara
- Schulich Faculty of Chemistry; Technion-Israel Institute of Technology; Haifa 3200008 Israel
| | - Suman Kumar Maity
- Schulich Faculty of Chemistry; Technion-Israel Institute of Technology; Haifa 3200008 Israel
| | - Ashraf Brik
- Schulich Faculty of Chemistry; Technion-Israel Institute of Technology; Haifa 3200008 Israel
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26
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Kang J, Lee SJC, Nam JS, Lee HJ, Kang MG, Korshavn KJ, Kim HT, Cho J, Ramamoorthy A, Rhee HW, Kwon TH, Lim MH. An Iridium(III) Complex as a Photoactivatable Tool for Oxidation of Amyloidogenic Peptides with Subsequent Modulation of Peptide Aggregation. Chemistry 2017; 23:1645-1653. [PMID: 27862428 DOI: 10.1002/chem.201604751] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Indexed: 02/03/2023]
Abstract
Aggregates of amyloidogenic peptides are involved in the pathogenesis of several degenerative disorders. Herein, an iridium(III) complex, Ir-1, is reported as a chemical tool for oxidizing amyloidogenic peptides upon photoactivation and subsequently modulating their aggregation pathways. Ir-1 was rationally designed based on multiple characteristics, including 1) photoproperties leading to excitation by low-energy radiation; 2) generation of reactive oxygen species responsible for peptide oxidation upon photoactivation under mild conditions; and 3) relatively easy incorporation of a ligand on the IrIII center for specific interactions with amyloidogenic peptides. Biochemical and biophysical investigations illuminate that the oxidation of representative amyloidogenic peptides (i.e., amyloid-β, α-synuclein, and human islet amyloid polypeptide) is promoted by light-activated Ir-1, which alters the conformations and aggregation pathways of the peptides. Additionally, their potential oxidation sites are identified as methionine, histidine, or tyrosine residues. Overall, our studies on Ir-1 demonstrate the feasibility of devising metal complexes as chemical tools suitable for elucidating the nature of amyloidogenic peptides at the molecular level, as well as controlling their aggregation.
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Affiliation(s)
- Juhye Kang
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Shin Jung C Lee
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jung Seung Nam
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hyuck Jin Lee
- School of Life Sciences, UNIST, Ulsan, 44919, Republic of Korea
| | - Myeong-Gyun Kang
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Kyle J Korshavn
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Hyun-Tak Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jaeheung Cho
- Department of Emerging Materials Science, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 42988, Republic of Korea
| | - Ayyalusamy Ramamoorthy
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA.,Biophysics, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Hyun-Woo Rhee
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Tae-Hyuk Kwon
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Mi Hee Lim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
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27
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Perchanova M, Kurreck H, Berg A. Time-Resolved Electron Paramagnetic Resonance Study of Photoinduced Electron Transfer in Pd Porphyrin–Quinone and Zn Porphyrin–Quinone Dyads with a Cyclohexylene Spacer. J Phys Chem A 2015; 119:8117-24. [DOI: 10.1021/acs.jpca.5b04760] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maya Perchanova
- Institute
of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Harry Kurreck
- Institute of Chemistry and Biochemistry-Organic
Chemistry, Free University Berlin, Takustrasse 3, D-14195 Berlin, Germany
| | - Alexander Berg
- Institute
of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
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28
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Koniev O, Wagner A. Developments and recent advancements in the field of endogenous amino acid selective bond forming reactions for bioconjugation. Chem Soc Rev 2015; 44:5495-551. [PMID: 26000775 DOI: 10.1039/c5cs00048c] [Citation(s) in RCA: 397] [Impact Index Per Article: 44.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bioconjugation methodologies have proven to play a central enabling role in the recent development of biotherapeutics and chemical biology approaches. Recent endeavours in these fields shed light on unprecedented chemical challenges to attain bioselectivity, biocompatibility, and biostability required by modern applications. In this review the current developments in various techniques of selective bond forming reactions of proteins and peptides were highlighted. The utility of each endogenous amino acid-selective conjugation methodology in the fields of biology and protein science has been surveyed with emphasis on the most relevant among reported transformations; selectivity and practical use have been discussed.
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Affiliation(s)
- Oleksandr Koniev
- Laboratory of Functional Chemo-Systems (UMR 7199), Labex Medalis, University of Strasbourg, 74 Route du Rhin, 67401 Illkirch-Graffenstaden, France.
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29
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Biomolecule-compatible chemical bond-formation and bond-cleavage reactions induced by visible light. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.12.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Jones LH, Narayanan A, Hett EC. Understanding and applying tyrosine biochemical diversity. MOLECULAR BIOSYSTEMS 2014; 10:952-69. [PMID: 24623162 DOI: 10.1039/c4mb00018h] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review highlights some of the recent advances made in our understanding of the diversity of tyrosine biochemistry and shows how this has inspired novel applications in numerous areas of molecular design and synthesis, including chemical biology and bioconjugation. The pathophysiological implications of tyrosine biochemistry will be presented from a molecular perspective and the opportunities for therapeutic intervention explored.
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Affiliation(s)
- Lyn H Jones
- Pfizer R&D, Chemical Biology Group, BioTherapeutics Chemistry, WorldWide Medicinal Chemistry, 200 Cambridge Park Drive, Cambridge, MA 02140, USA.
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31
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Prier CK, Rankic DA, MacMillan DWC. Visible light photoredox catalysis with transition metal complexes: applications in organic synthesis. Chem Rev 2013; 113:5322-63. [PMID: 23509883 PMCID: PMC4028850 DOI: 10.1021/cr300503r] [Citation(s) in RCA: 6225] [Impact Index Per Article: 565.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Christopher K. Prier
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Danica A. Rankic
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W. C. MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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32
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Sato S, Nakamura H. Ligand-Directed Selective Protein Modification Based on Local Single-Electron-Transfer Catalysis. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303831] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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33
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Sato S, Nakamura H. Ligand-Directed Selective Protein Modification Based on Local Single-Electron-Transfer Catalysis. Angew Chem Int Ed Engl 2013; 52:8681-4. [DOI: 10.1002/anie.201303831] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Indexed: 01/02/2023]
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34
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Long MJC, Hedstrom L. Mushroom tyrosinase oxidizes tyrosine-rich sequences to allow selective protein functionalization. Chembiochem 2012; 13:1818-25. [PMID: 22807021 DOI: 10.1002/cbic.201100792] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 05/14/2012] [Indexed: 11/07/2022]
Abstract
We show that mushroom tyrosinase catalyzes the formation of reactive o-quinones on unstructured, tyrosine-rich sequences such as hemagglutinin (HA) tags (YPYDVPDYA). In the absence of exogenous nucleophiles and at low protein concentrations, the o-quinone decomposes with fragmentation of the HA tag. At higher protein concentrations (>5 mg mL⁻¹), crosslinking is observed. Besthorn's reagent intercepts the o-quinone to give a characteristic pink complex that can be observed directly on a denaturing SDS-PAGE gel. Similar labeled species can be formed by using other nucleophiles such as Cy5-hydrazide. These reactions are selective for proteins bearing HA and other unstructured poly-tyrosine-containing tags and can be performed in lysates to create specifically tagged proteins.
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Affiliation(s)
- Marcus J C Long
- Graduate Program in Biochemistry MS009, Brandeis University, 415 South Street, Waltham, MA 02453, USA
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35
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WIEHE A, STOLLBERG H, RUNGE S, PAUL A, SENGE MO, RÖDER B. PDT-related photophysical properties of conformationally distorted palladium(II) porphyrins. J PORPHYR PHTHALOCYA 2012. [DOI: 10.1002/jpp.553] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The photodynamic therapy (PDT) related photophysical properties of five palladium(II) porphyrins with increasing steric demand of the meso-substituents were investigated by steady state and time-resolved absorption and luminescence spectroscopy. The steric strain of the meso-substituents is reflected in a bathochromic shift of the B-band in the absorption spectra. In contrast to free-base porphyrins, the palladium(II) complexes exhibit only a very weak fluorescence with Φ Fl ~ 10-4. Instead, the corresponding triplet states of the porphyrins are formed via inter system crossing (ISC) with a quantum yield ΦISC of nearly unity. A phosphorescence quantum yield ΦISC of 10-4 was determined assuming dynamic quenching. The triplet state of all compounds is efficiently quenched by molecular oxygen, generating singlet molecular oxygen with a quantum yield of ΦΔ ~ 0.85. The various substitution patterns exerted no significant influence on the ISC rates or singlet oxygen quantum yields. Significant differences, on the other hand, were observed with respect to the triplet lifetimes, with a tendency of longer lifetimes for the porphyrins with sterically more demanding substituents (in air-saturated solution). All porphyrins were successfully incorporated into liposomes. The phototoxic activity of three compounds was investigated in cell suspensions. The use of the new porphyrinato-palladium(II) in PDT applications is discussed.
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Affiliation(s)
- A. WIEHE
- Humboldt Universität zu Berlin, Institut für Physik, Invalidenstr. 110, D-11115 Berlin, Germany
| | - H. STOLLBERG
- Humboldt Universität zu Berlin, Institut für Physik, Invalidenstr. 110, D-11115 Berlin, Germany
| | - S. RUNGE
- Freie Universität Berlin, Institut für Chemie, Organische Chemie, Takustr. 3, D-14195 Berlin, Germany
| | - A. PAUL
- Humboldt Universität zu Berlin, Institut für Physik, Invalidenstr. 110, D-11115 Berlin, Germany
| | - M. O. SENGE
- Freie Universität Berlin, Institut für Chemie, Organische Chemie, Takustr. 3, D-14195 Berlin, Germany
| | - B. RÖDER
- Humboldt Universität zu Berlin, Institut für Physik, Invalidenstr. 110, D-11115 Berlin, Germany
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36
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Minamihata K, Goto M, Kamiya N. Site-Specific Protein Cross-Linking by Peroxidase-Catalyzed Activation of a Tyrosine-Containing Peptide Tag. Bioconjug Chem 2010; 22:74-81. [DOI: 10.1021/bc1003982] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, and Center for Future Chemistry, Kyushu University
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, and Center for Future Chemistry, Kyushu University
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, and Center for Future Chemistry, Kyushu University
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Nicoll AJ, Trevitt CR, Tattum MH, Risse E, Quarterman E, Ibarra AA, Wright C, Jackson GS, Sessions RB, Farrow M, Waltho JP, Clarke AR, Collinge J. Pharmacological chaperone for the structured domain of human prion protein. Proc Natl Acad Sci U S A 2010; 107:17610-5. [PMID: 20876144 PMCID: PMC2955083 DOI: 10.1073/pnas.1009062107] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In prion diseases, the misfolded protein aggregates are derived from cellular prion protein (PrP(C)). Numerous ligands have been reported to bind to human PrP(C) (huPrP), but none to the structured region with the affinity required for a pharmacological chaperone. Using equilibrium dialysis, we screened molecules previously suggested to interact with PrP to discriminate between those which did not interact with PrP, behaved as nonspecific polyionic aggregates or formed a genuine interaction. Those that bind could potentially act as pharmacological chaperones. Here we report that a cationic tetrapyrrole [Fe(III)-TMPyP], which displays potent antiprion activity, binds to the structured region of huPrP. Using a battery of biophysical techniques, we demonstrate that Fe(III)-TMPyP forms a 11 complex via the structured C terminus of huPrP with a K(d) of 4.5 ± 2 μM, which is in the range of its IC(50) for curing prion-infected cells of 1.6 ± 0.4 μM and the concentration required to inhibit protein-misfolding cyclic amplification. Therefore, this molecule tests the hypothesis that stabilization of huPrP(C), as a principle, could be used in the treatment of human prion disease. The identification of a binding site with a defined 3D structure opens up the possibility of designing small molecules that stabilize huPrP and prevent its conversion into the disease-associated form.
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Affiliation(s)
| | - Clare R. Trevitt
- Medical Research Council Prion Unit, University College of London Institute of Neurology, Queen Square, London WCN1 3BG, United Kingdom
| | - M. Howard Tattum
- Medical Research Council Prion Unit, University College of London Institute of Neurology, Queen Square, London WCN1 3BG, United Kingdom
| | | | | | - Amaurys Avila Ibarra
- Department of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom; and
| | | | - Graham S. Jackson
- Medical Research Council Prion Unit, University College of London Institute of Neurology, Queen Square, London WCN1 3BG, United Kingdom
| | - Richard B. Sessions
- Department of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom; and
| | | | - Jonathan P. Waltho
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield S10 2TN, United Kingdom
| | - Anthony R. Clarke
- Medical Research Council Prion Unit, University College of London Institute of Neurology, Queen Square, London WCN1 3BG, United Kingdom
- Department of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, United Kingdom; and
| | - John Collinge
- Department of Neurodegenerative Disease and
- Medical Research Council Prion Unit, University College of London Institute of Neurology, Queen Square, London WCN1 3BG, United Kingdom
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Baslé E, Joubert N, Pucheault M. Protein chemical modification on endogenous amino acids. ACTA ACUST UNITED AC 2010; 17:213-27. [PMID: 20338513 DOI: 10.1016/j.chembiol.2010.02.008] [Citation(s) in RCA: 301] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2009] [Revised: 01/29/2010] [Accepted: 02/11/2010] [Indexed: 12/15/2022]
Abstract
Chemical modification of protein is an arduous but fruitful task. Many chemical methods have been developed for such purpose by carefully balancing reactivity and selectivity. Now both chemists and biologists have in hand an arsenal of tools from which they can select a relevant reaction to tackle their problems. This review focuses on the various chemical transformations available for selective modification of proteins. It also provides a brief overview of some of their main applications, including detection of protein interactions, preparation of bioconjugates, and protein microarrays.
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Affiliation(s)
- Emmanuel Baslé
- Molecular Chemistry and Photonic, UMR 6510 CPM, Centre National de la Recherche Scientifique, Université de Rennes1, 263 Avenue du Général Leclerc, 35042 Rennes cedex, France
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The Ionic Palladium Porphyrin as a Highly Efficient and Recyclable Catalyst for Heck Reaction in Ionic Liquid Solution Under Aerobic Conditions. Catal Letters 2008. [DOI: 10.1007/s10562-008-9780-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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40
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Kostas ID, Coutsolelos AG, Charalambidis G, Skondra A. The first use of porphyrins as catalysts in cross-coupling reactions: a water-soluble palladium complex with a porphyrin ligand as an efficient catalyst precursor for the Suzuki–Miyaura reaction in aqueous media under aerobic conditions. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.07.141] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Lazzeri D, Rovera M, Pascual L, Durantini EN. Photodynamic Studies and Photoinactivation of Escherichia coli Using meso-Substituted Cationic Porphyrin Derivatives with Asymmetric Charge Distribution¶. Photochem Photobiol 2007. [DOI: 10.1111/j.1751-1097.2004.tb00085.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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42
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Bitan G. Structural study of metastable amyloidogenic protein oligomers by photo-induced cross-linking of unmodified proteins. Methods Enzymol 2006; 413:217-36. [PMID: 17046399 PMCID: PMC2782599 DOI: 10.1016/s0076-6879(06)13012-8] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Oligomers of amyloidogenic proteins are believed to be key effectors of cytotoxicity and cause a variety of amyloid-related diseases. Dissociation or inhibition of formation of the toxic oligomers is thus an attractive strategy for the prevention and treatment of these diseases. In order to develop reagents capable of inhibiting protein oligomerization, the structures and mechanisms of oligomer formation must be understood. However, structural studies of oligomers are difficult because of the metastable nature of the oligomers and their existence in mixtures with monomers and other assemblies. A useful method for characterization of oligomer size distributions in vitro is photo-induced cross-linking of unmodified proteins (PICUP) (Fancy and Kodadek, 1999). By providing "snapshots" of dynamic oligomer mixtures, PICUP enables quantitative analysis of the relations between primary and quaternary structures, offering insights into the molecular organization of the oligomers. This chapter discusses the photochemical mechanism; reviews the scope, usefulness, and limitations of PICUP for characterizing metastable protein assemblies; and provides detailed experimental instructions for performing PICUP experiments.
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Affiliation(s)
- Gal Bitan
- UCLA, Department of Neurology, David Geffen School of Medicine, Los Angeles, CA, USA
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43
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Lin HJ, Kodadek T. Photo-induced oxidative cross-linking as a method to evaluate the specificity of protein-ligand interactions. ACTA ACUST UNITED AC 2005; 65:221-8. [PMID: 15705166 DOI: 10.1111/j.1399-3011.2005.00227.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The isolation of protein-binding synthetic molecules from combinatorial libraries or compound collections is now a common practice in chemical biology. An important, but underdeveloped, aspect of characterizing the binding properties of such molecules is their level of binding specificity. This is often evaluated by simply measuring the equilibrium binding affinity of the compound of interest with its target protein and comparing this value with its affinity to one or a few other purified proteins selected at random. These measurements may not reflect accurately the ability of the compound to seek out its target in a complex mixture of proteins such as a cell extract or serum. A more desirable alternative would be to develop solution assays that measure directly the binding of the molecule of interest to both target and competitor proteins in complex solutions. In this report, we evaluate a rapid and efficient photo-triggered cross-linking reaction for assessing binding specificity of synthetic molecules in protein mixtures. Using peptide-protein complexes, we demonstrate that this reaction provides an unbiased view of the peptide-protein contacts present in solution under a given set of conditions and thus is useful for assessing binding specificity. We also discuss the potential application of this chemistry to the related, but more difficult, problem of the identification of protein targets of bioactive molecules.
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Affiliation(s)
- H-J Lin
- Center for Biomedical Inventions, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-8573, USA
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Duroux-Richard I, Vassault P, Subra G, Guichou JF, Richard E, Mouillac B, Barberis C, Marie J, Bonnafous JC. Crosslinking Photosensitized by a Ruthenium Chelate as a Tool for Labeling and Topographical Studies of G-Protein-Coupled Receptors. ACTA ACUST UNITED AC 2005; 12:15-24. [PMID: 15664511 DOI: 10.1016/j.chembiol.2004.10.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2004] [Revised: 09/24/2004] [Accepted: 10/07/2004] [Indexed: 11/30/2022]
Abstract
The purpose was to apply oxidative crosslinking reactions to the study of recognition and signaling mechanisms associated to G-protein-coupled receptors. Using a ruthenium chelate, Ru(bipy)(3)(2+), as photosensitizer and visible light irradiation, in the presence of ammonium persulfate, we performed fast and efficient covalent labeling of the B(2) bradykinin receptor by agonist or antagonist ligands possessing a radio-iodinated phenol moiety. The chemical and topographical specificities of these crosslinking experiments were investigated. The strategy could also be applied to the covalent labeling of the B(1) bradykinin receptor, the AT(1) angiotensin II receptor, the V(1a) vasopressin receptor and the oxytocin receptor. Interestingly, we demonstrated the possibility to covalently label the AT(1) and B(2) receptors with functionalized ligands. The potential applications of metal-chelate chemistry to receptor structural and signaling studies through intramolecular or intermolecular crosslinking are presented.
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Affiliation(s)
- Isabelle Duroux-Richard
- Centre de Biochimie Stucturale, Centre National de la Recherche Scientifique, UMR 5048, Université Montpellier 1, Institut National de la Santé et de la Recherche Médicale, U 554, 29 rue de Navacelles, 34090 Montpellier Cedex, France
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Lazzeri D, Rovera M, Pascual L, Durantini EN. Photodynamic Studies and Photoinactivation of Escherichia coli Using meso-Substituted Cationic Porphyrin Derivatives with Asymmetric Charge Distribution¶. Photochem Photobiol 2004. [DOI: 10.1562/2004-03-08-ra-105.1] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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46
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Person MD, Brown KC, Mahrus S, Craik CS, Burlingame AL. Novel inter-protein cross-link identified in the GGH-ecotin D137Y dimer. Protein Sci 2001; 10:1549-62. [PMID: 11468352 PMCID: PMC2374083 DOI: 10.1110/ps.ps.46601] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
In the presence of a suitable oxidizing agent, the Ni(II) complex of glycyl-glycyl-histidine (GGH) mediates efficient and specific oxidative protein cross-linking. The fusion of GGH to the N terminus of a protein allows for the cross-linking reagent to be delivered in a site-specific fashion, making this system extremely useful for analyzing protein-protein contacts in complicated mixtures of biomolecules. Tyrosine residues have been postulated to be the primary amino acid target of this reaction, and using the dimeric serine protease inhibitor ecotin, we previously demonstrated that engineering a tyrosine at the protein interface of a dimer dramatically increased cross-linking efficiency. Cross-linking increased four-fold for GGH-ecotin D137Y in comparison to wild-type GGH-ecotin, presumably through bityrosine formation at the dimer interface. Here we report the first complete structural analysis of the cross-linked GGH-ecotin D137Y dimer. Using a combination of mass spectrometric and chemical derivatization methods, a sole novel cross-link between the N-terminal glycine residues and the engineered tyrosine at position 137 has been characterized. The dimer cross-link is localized to a single site without other protein modifications, but different reaction pathways produce structurally related products. We propose a mechanism that involves covalent bond formation between the protein backbone and a dopaquinone moiety derived from a specific tyrosine residue. This finding establishes that it is not necessary to have two tyrosine residues within close proximity in the protein interface to obtain high protein cross-linking yields, and suggests that the cross-linking reagent may be of more general utility than previously thought.
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Affiliation(s)
- M D Person
- Department of Pharmaceutical Chemistry, University of California at San Francisco, 94143-0446, USA
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Fancy DA, Denison C, Kim K, Xie Y, Holdeman T, Amini F, Kodadek T. Scope, limitations and mechanistic aspects of the photo-induced cross-linking of proteins by water-soluble metal complexes. CHEMISTRY & BIOLOGY 2000; 7:697-708. [PMID: 10980450 DOI: 10.1016/s1074-5521(00)00020-x] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Chemical cross-linking is a valuable tool with which to study protein-protein interactions. Recently, a new kind of cross-linking reaction was developed in which the photolysis of associated proteins with visible light in the presence of ammonium persulfate and tris(2,2'-bipyridyl)ruthenium(II) dication or palladium(II) porphyrins results in rapid and efficient covalent coupling (Fancy, D.A. & Kodadek, T. (1999). Proc. Natl. Acad. Sci. USA 96, 6020-6024 and Kim, K., Fancy, D.A. & Kodadek, T. (1999). J. Am. Chem. Soc. 121, 11896-11897). Here, mechanistic and practical aspects of the reaction of importance for its application to biochemical problems are examined. RESULTS It is shown that the photo-initiated cross-linking chemistry can be optimized for the analysis of protein-protein interactions in crude cell extracts. A number of commonly used epitope or affinity tags survive the reaction in functional form, allowing the simple visualization of the cross-linked products, or their isolation. It is shown that very little light-independent oxidation of protein residues occurs and that significant perturbation of complexes of interest prior to the brief photolysis period does not occur. Finally, evidence is presented that is consistent with a mechanistic model in which ammonium persulfate functions simply as an electron acceptor, facilitating the generation of the key high valent metal complex from the photoexcited species by electron transfer. In the absence of an electron acceptor, a much lower efficiency reaction is observed that appears to involve products resulting from reaction of the excited state metal complex with molecular oxygen. CONCLUSIONS These results provide useful practical information for chemists and biochemists who may wish to employ this new cross-linking chemistry for the analysis of protein complexes. They also shed new light on the mechanism of this interesting reaction.
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Affiliation(s)
- D A Fancy
- Department of Internal Medicine, Center for Biomedical Inventions, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-8573, USA
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