1
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Pistono P, Xu J, Huang P, Fetzer JL, Francis MB. Exploring the Effects of Intersubunit Interface Mutations on Virus-Like Particle Structure and Stability. Biochemistry 2024; 63:1913-1924. [PMID: 39037053 PMCID: PMC11308365 DOI: 10.1021/acs.biochem.4c00225] [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: 04/29/2024] [Revised: 07/11/2024] [Accepted: 07/12/2024] [Indexed: 07/23/2024]
Abstract
Virus-like particles (VLPs) from bacteriophage MS2 provide a platform to study protein self-assembly and create engineered systems for drug delivery. Here, we aim to understand the impact of intersubunit interface mutations on the local and global structure and function of MS2-based VLPs. In previous work, our lab identified locally supercharged double mutants [T71K/G73R] that concentrate positive charge at capsid pores, enhancing uptake into mammalian cells. To study the effects of particle size on cellular internalization, we combined these double mutants with a single point mutation [S37P] that was previously reported to switch particle geometry from T = 3 to T = 1 icosahedral symmetry. These new variants retained their enhanced cellular uptake activity and could deliver small-molecule drugs with efficacy levels similar to our first-generation capsids. Surprisingly, these engineered triple mutants exhibit increased thermostability and unexpected geometry, producing T = 3 particles instead of the anticipated T = 1 assemblies. Transmission electron microscopy revealed various capsid assembly states, including wild-type (T = 3), T = 1, and rod-like particles, that could be accessed using different combinations of these point mutations. Molecular dynamics experiments recapitulated the structural rationale in silico for the single point mutation [S37P] forming a T = 1 virus-like particle and showed that this assembly state was not favored when combined with mutations that favor rod-like architectures. Through this work, we investigated how interdimer interface dynamics influence VLP size and morphology and how these properties affect particle function in applications such as drug delivery.
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Affiliation(s)
- Paige
E. Pistono
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Junyi Xu
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Paul Huang
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jennifer L. Fetzer
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Matthew B. Francis
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
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2
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Koutsopetras I, Vaur V, Benazza R, Diemer H, Sornay C, Ersoy Y, Rochet L, Longo C, Hernandez-Alba O, Erb S, Detappe A, Skerra A, Wagner A, Cianferani S, Chaubet G. Site-Selective Protein Conjugation by a Multicomponent Ugi Reaction. Chemistry 2024; 30:e202303242. [PMID: 38050774 DOI: 10.1002/chem.202303242] [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: 10/03/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
The chemical bioconjugation of proteins has seen tremendous applications in the past decades, with the booming of antibody-drug conjugates and their use in oncology. While genetic engineering has permitted to produce bespoke proteins featuring key (un-)natural amino acid residues poised for site-selective modifications, the conjugation of native proteins is riddled with selectivity issues. Chemoselective strategies are plentiful and enable the precise modification of virtually any residue with a reactive side-chain; site-selective methods are less common and usually most effective on small and medium-sized proteins. In this context, we studied the application of the Ugi multicomponent reaction for the site-selective conjugation of amine and carboxylate groups on proteins, and antibodies in particular. Through an in-depth mechanistic methodology work supported by peptide mapping studies, we managed to develop a set of conditions allowing the highly selective modification of antibodies bearing N-terminal glutamate and aspartate residues. We demonstrated that this strategy did not alter their affinity toward their target antigen and produced an antibody-drug conjugate with subnanomolar potency. Excitingly, we showed that the high site selectivity of our strategy was maintained on other protein formats, especially on anticalins, for which directed mutagenesis helped to highlight the key importance of a single lysine residue.
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Affiliation(s)
- Ilias Koutsopetras
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, 67400, Illkirch-Graffenstaden, France
| | - Valentine Vaur
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, 67400, Illkirch-Graffenstaden, France
| | - Rania Benazza
- Laboratoire de Spectrométrie de Masse BioOrganique (LSMBO), Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, 67087, Strasbourg, France
| | - Hélène Diemer
- Laboratoire de Spectrométrie de Masse BioOrganique (LSMBO), Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, 67087, Strasbourg, France
| | - Charlotte Sornay
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, 67400, Illkirch-Graffenstaden, France
| | - Yağmur Ersoy
- Lehrstuhl für Biologische Chemie, Technische Universität München, Emil-Erlenmeyer-Forum 5, 85354, Freising, Germany
| | - Léa Rochet
- Department of Chemistry, University College London, London, UK
| | - Carmen Longo
- Lehrstuhl für Biologische Chemie, Technische Universität München, Emil-Erlenmeyer-Forum 5, 85354, Freising, Germany
| | - Oscar Hernandez-Alba
- Laboratoire de Spectrométrie de Masse BioOrganique (LSMBO), Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, 67087, Strasbourg, France
| | - Stéphane Erb
- Laboratoire de Spectrométrie de Masse BioOrganique (LSMBO), Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, 67087, Strasbourg, France
| | | | - Arne Skerra
- Lehrstuhl für Biologische Chemie, Technische Universität München, Emil-Erlenmeyer-Forum 5, 85354, Freising, Germany
| | - Alain Wagner
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, 67400, Illkirch-Graffenstaden, France
| | - Sarah Cianferani
- Laboratoire de Spectrométrie de Masse BioOrganique (LSMBO), Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048, 67087, Strasbourg, France
| | - Guilhem Chaubet
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, 67400, Illkirch-Graffenstaden, France
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3
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Ma X, Jiang J, An X, Zu W, Ma C, Zhang Z, Lu Y, Zhao L, Wang L. Advances in research based on antibody-cell conjugation. Front Immunol 2023; 14:1310130. [PMID: 38162639 PMCID: PMC10755917 DOI: 10.3389/fimmu.2023.1310130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/04/2023] [Indexed: 01/03/2024] Open
Abstract
Antibody-cell conjugation (ACC) technology is a new research direction in medicine and biotechnology in recent years. The concept of ACC was proposed by Hsiao et al. and developed into a viable cell therapy technology, which refers to the cells with specific functions. Such as natural killer cells (NK cells), cytokine induced killer cells (CIK) and other immune cells and monoclonal antibodies through the linker together formed conjugate. ACC directly modifies specific antibodies on the cell surface through a simple and effective chemical coupling method to enable cells to have new functions. ACC has been developed for the treatment of various diseases, including cancers of the blood system and solid tumors. This paper reviews the current ACC construction methods, challenges and future development directions.
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Affiliation(s)
- Xiaoxuan Ma
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Jian Jiang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Xiaoye An
- Department of Pharmacy, Tacheng People's Hospital, Tacheng City, Xinjiang Uygur Autonomous Region, China
| | - Wanting Zu
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Chi Ma
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Zhuo Zhang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Yaci Lu
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Lijing Zhao
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
| | - Lisheng Wang
- Department of Rehabilitation, School of Nursing, Jilin University, Changchun, China
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4
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Gao F, Chang M, Meng X, Xu H, Gnawali G, Dong Y, Lopez B, Wang W. Site-Selective Modification of Secondary Amine Moieties on Native Peptides, Proteins, and Natural Products with Ynones. Bioconjug Chem 2023; 34:1553-1562. [PMID: 37646420 DOI: 10.1021/acs.bioconjchem.3c00246] [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: 09/01/2023]
Abstract
Site-selective modification of biologically relevant secondary amines in peptides, proteins, and natural products has been challenging due to the similar reactivity between primary and secondary amines. Even for the secondary amines, their reactivities are significantly influenced by their structures and environment. Herein, we report a ynone Michael bioconjugation method for selective modification of secondary amines in unprotected peptides and proteins and complex natural products. We show that fine tuning the electronic effect of the ynones enables controlling the Michael acceptor reactivity for the selective reaction with the structurally different secondary amines in densely functionalized complex structures and complicated biological environment.
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Affiliation(s)
- Feng Gao
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Mengyang Chang
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
| | - Xiang Meng
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Hang Xu
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Giri Gnawali
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Yue Dong
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
| | - Byrdie Lopez
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
| | - Wei Wang
- Department of Pharmacology and Toxicology, R. Ken Coit College of Pharmacy, University of Arizona, 1703 E Mabel Street, Tucson, Arizona 85721, United States
- Department of Chemistry and Biochemistry, University of Arizona, 1306 E University Blvd., Tucson, Arizona 85721, United States
- University of Arizona Cancer Center, University of Arizona, 3838 N. Campbell Avenue, Tucson, Arizona 85719, United States
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5
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Alexander AK, Elshahawi SI. Promiscuous Enzymes for Residue-Specific Peptide and Protein Late-Stage Functionalization. Chembiochem 2023; 24:e202300372. [PMID: 37338668 PMCID: PMC10496146 DOI: 10.1002/cbic.202300372] [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: 05/18/2023] [Revised: 06/20/2023] [Accepted: 06/20/2023] [Indexed: 06/21/2023]
Abstract
The late-stage functionalization of peptides and proteins holds significant promise for drug discovery and facilitates bioorthogonal chemistry. This selective functionalization leads to innovative advances in in vitro and in vivo biological research. However, it is a challenging endeavor to selectively target a certain amino acid or position in the presence of other residues containing reactive groups. Biocatalysis has emerged as a powerful tool for selective, efficient, and economical modifications of molecules. Enzymes that have the ability to modify multiple complex substrates or selectively install nonnative handles have wide applications. Herein, we highlight enzymes with broad substrate tolerance that have been demonstrated to modify a specific amino acid residue in simple or complex peptides and/or proteins at late-stage. The different substrates accepted by these enzymes are mentioned together with the reported downstream bioorthogonal reactions that have benefited from the enzymatic selective modifications.
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Affiliation(s)
- Ashley K Alexander
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Rinker Health Science Campus, Irvine, CA 92618, USA
| | - Sherif I Elshahawi
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Rinker Health Science Campus, Irvine, CA 92618, USA
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6
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Dai J, Wilhelm KB, Bischoff AJ, Pereira JH, Dedeo MT, García-Almedina DM, Adams PD, Groves JT, Francis MB. A Membrane-Associated Light-Harvesting Model is Enabled by Functionalized Assemblies of Gene-Doubled TMV Proteins. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207805. [PMID: 36811150 DOI: 10.1002/smll.202207805] [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: 12/13/2022] [Revised: 01/26/2023] [Indexed: 05/18/2023]
Abstract
Photosynthetic light harvesting requires efficient energy transfer within dynamic networks of light-harvesting complexes embedded within phospholipid membranes. Artificial light-harvesting models are valuable tools for understanding the structural features underpinning energy absorption and transfer within chromophore arrays. Here, a method for attaching a protein-based light-harvesting model to a planar, fluid supported lipid bilayer (SLB) is developed. The protein model consists of the tobacco mosaic viral capsid proteins that are gene-doubled to create a tandem dimer (dTMV). Assemblies of dTMV break the facial symmetry of the double disk to allow for differentiation between the disk faces. A single reactive lysine residue is incorporated into the dTMV assemblies for the site-selective attachment of chromophores for light absorption. On the opposing dTMV face, a cysteine residue is incorporated for the bioconjugation of a peptide containing a polyhistidine tag for association with SLBs. The dual-modified dTMV complexes show significant association with SLBs and exhibit mobility on the bilayer. The techniques used herein offer a new method for protein-surface attachment and provide a platform for evaluating excited state energy transfer events in a dynamic, fully synthetic artificial light-harvesting system.
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Affiliation(s)
- Jing Dai
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Kiera B Wilhelm
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Amanda J Bischoff
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Jose H Pereira
- Technology Division, Joint BioEnergy Institute, Emeryville, CA, 94720, USA
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Michel T Dedeo
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | | | - Paul D Adams
- Technology Division, Joint BioEnergy Institute, Emeryville, CA, 94720, USA
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Jay T Groves
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
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7
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Fischer NH, Oliveira MT, Diness F. Chemical modification of proteins - challenges and trends at the start of the 2020s. Biomater Sci 2023; 11:719-748. [PMID: 36519403 DOI: 10.1039/d2bm01237e] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Ribosomally expressed proteins perform multiple, versatile, and specialized tasks throughout Nature. In modern times, chemically modified proteins, including improved hormones, enzymes, and antibody-drug-conjugates have become available and have found advanced industrial and pharmaceutical applications. Chemical modification of proteins is used to introduce new functionalities, improve stability or drugability. Undertaking chemical reactions with proteins without compromising their native function is still a core challenge as proteins are large conformation dependent multifunctional molecules. Methods for functionalization ideally should be chemo-selective, site-selective, and undertaken under biocompatible conditions in aqueous buffer to prevent denaturation of the protein. Here the present challenges in the field are discussed and methods for modification of the 20 encoded amino acids as well as the N-/C-termini and protein backbone are presented. For each amino acid, common and traditional modification methods are presented first, followed by more recent ones.
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Affiliation(s)
- Niklas Henrik Fischer
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark. .,Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Maria Teresa Oliveira
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Frederik Diness
- Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark. .,Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
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8
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Bischoff AJ, Harper CC, Williams ER, Francis MB. Characterizing Heterogeneous Mixtures of Assembled States of the Tobacco Mosaic Virus Using Charge Detection Mass Spectrometry. J Am Chem Soc 2022; 144:23368-23378. [PMID: 36525679 PMCID: PMC10395586 DOI: 10.1021/jacs.2c09160] [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: 12/23/2022]
Abstract
The tobacco mosaic viral capsid protein (TMV) is a frequent target for derivatization for myriad applications, including drug delivery, biosensing, and light harvesting. However, solutions of the stacked disk assembly state of TMV are difficult to characterize quantitatively due to their large size and multiple assembled states. Charge detection mass spectrometry (CDMS) addresses the need to characterize heterogeneous populations of large protein complexes in solution quickly and accurately. Using CDMS, previously unobserved assembly states of TMV, including 16-monomer disks and odd-numbered disk stacks, have been characterized. We additionally employed a peptide-protein conjugation reaction in conjunction with CDMS to demonstrate that modified TMV proteins do not redistribute between disks. Finally, this technique was used to discriminate between protein complexes of near-identical mass but different configurations. We have gained a greater understanding of the behavior of TMV, a protein used across a broad variety of fields and applications, in the solution state.
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Affiliation(s)
- Amanda J. Bischoff
- College of Chemistry, University of California, Berkeley, California, 94720, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California, 94720, United States
| | - Conner C. Harper
- College of Chemistry, University of California, Berkeley, California, 94720, United States
| | - Evan R. Williams
- College of Chemistry, University of California, Berkeley, California, 94720, United States
| | - Matthew B. Francis
- College of Chemistry, University of California, Berkeley, California, 94720, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California, 94720, United States
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9
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Kjærsgaard NL, Nielsen TB, Gothelf KV. Chemical Conjugation to Less Targeted Proteinogenic Amino Acids. Chembiochem 2022; 23:e202200245. [PMID: 35781760 PMCID: PMC9796363 DOI: 10.1002/cbic.202200245] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/01/2022] [Indexed: 01/01/2023]
Abstract
Protein bioconjugates are in high demand for applications in biomedicine, diagnostics, chemical biology and bionanotechnology. Proteins are large and sensitive molecules containing multiple different functional groups and in particular nucleophilic groups. In bioconjugation reactions it can therefore be challenging to obtain a homogeneous product in high yield. Numerous strategies for protein conjugation have been developed, of which a vast majority target lysine, cysteine and to a lesser extend tyrosine. Likewise, several methods that involve recombinantly engineered protein tags have been reported. In recent years a number of methods have emerged for chemical bioconjugation to other amino acids and in this review, we present the progress in this area.
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Affiliation(s)
- Nanna L. Kjærsgaard
- Center for Multifunctional Biomolecular Drug Design Interdisciplinary Nanoscience CenterAarhus UniversityGustav Wieds Vej 148000Aarhus CDenmark
- Department of ChemistryAarhus UniversityLangelandsgade 1408000Aarhus CDenmark
| | | | - Kurt V. Gothelf
- Center for Multifunctional Biomolecular Drug Design Interdisciplinary Nanoscience CenterAarhus UniversityGustav Wieds Vej 148000Aarhus CDenmark
- Department of ChemistryAarhus UniversityLangelandsgade 1408000Aarhus CDenmark
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10
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Jia HR, Zhu YX, Liu Y, Guo Y, Sayed SM, Zhu XY, Cheng X, Wu FG. Direct chemical editing of Gram-positive bacterial cell walls via an enzyme-catalyzed oxidative coupling reaction. EXPLORATION (BEIJING, CHINA) 2022; 2:20220010. [PMID: 37325504 PMCID: PMC10190971 DOI: 10.1002/exp.20220010] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/28/2022] [Indexed: 06/17/2023]
Abstract
Chemically manipulating bacterial surface structures, a cutting-edge research direction in the biomedical field, predominantly relies on metabolic labeling by now. However, this method may involve daunting precursor synthesis and only labels nascent surface structures. Here, we report a facile and rapid modification strategy based on a tyrosinase-catalyzed oxidative coupling reaction (TyOCR) for bacterial surface engineering. This strategy employs phenol-tagged small molecules and tyrosinase to initiate direct chemical modification of Gram-positive bacterial cell walls with high labeling efficiency, while Gram-negative bacteria are inert to this modification due to the hindrance of an outer membrane. By using the biotin‒avidin system, we further present the selective deposition of various materials, including photosensitizer, magnetic nanoparticle, and horseradish peroxidase, on Gram-positive bacterial surfaces, and realize the purification/isolation/enrichment and naked-eye detection of bacterial strains. This work demonstrates that TyOCR is a promising strategy for engineering live bacterial cells.
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Affiliation(s)
- Hao-Ran Jia
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Ya-Xuan Zhu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Yi Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Yuxin Guo
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Sayed Mir Sayed
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Xiao-Yu Zhu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Xiaotong Cheng
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
| | - Fu-Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering Southeast University Nanjing P. R. China
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11
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Pei X, Luo Z, Qiao L, Xiao Q, Zhang P, Wang A, Sheldon RA. Putting precision and elegance in enzyme immobilisation with bio-orthogonal chemistry. Chem Soc Rev 2022; 51:7281-7304. [PMID: 35920313 DOI: 10.1039/d1cs01004b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The covalent immobilisation of enzymes generally involves the use of highly reactive crosslinkers, such as glutaraldehyde, to couple enzyme molecules to each other or to carriers through, for example, the free amino groups of lysine residues, on the enzyme surface. Unfortunately, such methods suffer from a lack of precision. Random formation of covalent linkages with reactive functional groups in the enzyme leads to disruption of the three dimensional structure and accompanying activity losses. This review focuses on recent advances in the use of bio-orthogonal chemistry in conjunction with rec-DNA to affect highly precise immobilisation of enzymes. In this way, cost-effective combination of production, purification and immobilisation of an enzyme is achieved, in a single unit operation with a high degree of precision. Various bio-orthogonal techniques for putting this precision and elegance into enzyme immobilisation are elaborated. These include, for example, fusing (grafting) peptide or protein tags to the target enzyme that enable its immobilisation in cell lysate or incorporating non-standard amino acids that enable the application of bio-orthogonal chemistry.
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Affiliation(s)
- Xiaolin Pei
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Zhiyuan Luo
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Li Qiao
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Qinjie Xiao
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Pengfei Zhang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Anming Wang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Key Laboratory of Organosilicon Material Technology, Hangzhou Normal University, Zhejiang Province, Hangzhou, 311121, Zhejiang, P. R. China
| | - Roger A Sheldon
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO Wits, 2050, Johannesburg, South Africa. .,Department of Biotechnology, Section BOC, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
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12
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Maza J, García-Almedina DM, Boike LE, Hamlish NX, Nomura DK, Francis MB. Tyrosinase-Mediated Synthesis of Nanobody-Cell Conjugates. ACS CENTRAL SCIENCE 2022; 8:955-962. [PMID: 35912347 PMCID: PMC9335918 DOI: 10.1021/acscentsci.1c01265] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
A convenient enzymatic strategy is reported for the modification of cell surfaces. Using a tyrosinase enzyme isolated from Agaricus bisporus, unique tyrosine residues introduced at the C-termini of nanobodies can be site-selectively oxidized to reactive o-quinones. These reactive intermediates undergo rapid modification with nucleophilic thiol, amine, and imidazole residues present on cell surfaces, producing novel nanobody-cell conjugates that display targeted antigen binding. We extend this approach toward the synthesis of nanobody-NK cell conjugates for targeted immunotherapy applications. The resulting NK cell conjugates exhibit targeted cell binding and elicit targeted cell death.
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Affiliation(s)
- Johnathan
C. Maza
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | | | - Lydia E. Boike
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Novartis-Berkeley
Center for Proteomics and Chemistry Technologies, Cambridge, Massachusetts 02139, United States
| | - Noah X. Hamlish
- Department
of Molecular and Cell Biology, University
of California, Berkeley, Berkeley, California 94720, United States
| | - Daniel K. Nomura
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Novartis-Berkeley
Center for Proteomics and Chemistry Technologies, Cambridge, Massachusetts 02139, United States
- Department
of Molecular and Cell Biology, University
of California, Berkeley, Berkeley, California 94720, United States
- Department
of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, California 94720, United States
- Innovative
Genomics Institute, Berkeley, California 94720, United States
| | - Matthew B. Francis
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratories, Berkeley, California 94720,United States
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13
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Wang YS, Zheng W, Jiang N, Jin YX, Meng ZK, Sun MX, Zong YL, Xu T, Zhu J, Tan RX. Alteration of the Catalytic Reaction Trajectory of a Vicinal Oxygen Chelate Enzyme by Directed Evolution. Angew Chem Int Ed Engl 2022; 61:e202201321. [DOI: 10.1002/anie.202201321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Yi Shuang Wang
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Wan Zheng
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Nan Jiang
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine School of Pharmacy Nanjing Medical University Nanjing 210023 China
| | - Yun Xia Jin
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Zi Kang Meng
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Meng Xin Sun
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Yu Liang Zong
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Tong Xu
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine School of Pharmacy Nanjing Medical University Nanjing 210023 China
| | - Jiapeng Zhu
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Ren Xiang Tan
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
- State Key Laboratory of Pharmaceutical Biotechnology Institute of Functional Biomolecules School of Life Sciences Nanjing University Nanjing 210023 China
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14
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Daniels PN, van der Donk WA. Substrate Specificity of the Flavoenzyme BhaC 1 That Converts a C-Terminal Trp to a Hydroxyquinone. Biochemistry 2022; 62:378-387. [PMID: 35613706 PMCID: PMC9850906 DOI: 10.1021/acs.biochem.2c00206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The preparation of protein-protein, protein-peptide, and protein-small molecule conjugates is important for a variety of applications, such as vaccine production, immunotherapies, preparation of antibody-drug conjugates, and targeted delivery of therapeutics. To achieve site-selective conjugation, selective chemical or enzymatic functionalization of proteins is required. We have recently reported biosynthetic pathways in which small, catalytic scaffold peptides are utilized for the generation of amino acid-derived natural products called pearlins. In these systems, peptide amino-acyl tRNA ligases (PEARLs) append amino acids to the C-terminus of a scaffold peptide, and tailoring enzymes encoded in the biosynthetic gene clusters modify the PEARL-appended amino acid to generate a variety of natural products. Herein, we investigate the substrate selectivity of one such tailoring enzyme, BhaC1, that participates in pyrroloiminoquinone biosynthesis. BhaC1 converts the indole of a C-terminal tryptophan into an o-hydroxy-p-quinone, a promising moiety for site-selective bioconjugation. Our studies demonstrate that BhaC1 requires a 20-amino acid peptide for substrate recognition. When this peptide was appended at the C-terminus of proteins, the C-terminal Trp was modified by BhaC1. The enzyme is sufficiently selective that only small changes to the sequence of the peptide are tolerated. An AlphaFold model for substrate recognition explains the selectivity of the enzyme, which may be used to install a reactive handle onto the C-terminus of proteins.
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Affiliation(s)
- Page N. Daniels
- Department
of Biochemistry, University of Illinois
at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Wilfred A. van der Donk
- Department
of Biochemistry, University of Illinois
at Urbana-Champaign, Urbana, Illinois 61801, United States,Department
of Chemistry and Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States,Carl
R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States,. Phone: (217) 244-5360. Fax: (217) 244-8533
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15
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Roy SK, Purkait A, Shome R, Das S, Das D, Ghosh SS, Jana CK. Proline selective labeling via on-site construction of naphthoxazole (NapOx). Chem Commun (Camb) 2022; 58:5909-5912. [PMID: 35475487 DOI: 10.1039/d2cc01268e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemoselective construction of naphthoxazoles (NapOx) via a three-component annulation reaction enables proline selective labeling of peptides in solution or in solid-phase synthesis. The fluorogenic peptides possess low cytotoxicity, efficient cell membrane permeability and excellent bioimaging potential for biomedical applications.
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Affiliation(s)
- Subhra Kanti Roy
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Anisha Purkait
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Rajib Shome
- Department of Biosciences and Engineering, Indian Institute of Technology Guwahati, 781039, India
| | - Saurav Das
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Debapratim Das
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
| | - Siddhartha Sankar Ghosh
- Department of Biosciences and Engineering, Indian Institute of Technology Guwahati, 781039, India
| | - Chandan K Jana
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, India.
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16
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Wang YS, Zheng W, Jiang N, Jin YX, Meng ZK, Sun MX, Zong YL, Xu T, Zhu J, Tan RX. Alteration of the Catalytic Reaction Trajectory of a Vicinal Oxygen Chelate Enzyme by Directed Evolution. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yi Shuang Wang
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Wan Zheng
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Nan Jiang
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine School of Pharmacy Nanjing Medical University Nanjing 210023 China
| | - Yun Xia Jin
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Zi Kang Meng
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Meng Xin Sun
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Yu Liang Zong
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Tong Xu
- Key Laboratory of Cardiovascular & Cerebrovascular Medicine School of Pharmacy Nanjing Medical University Nanjing 210023 China
| | - Jiapeng Zhu
- School of Medicine and Holistic Integrative Medicine Nanjing University of Chinese Medicine Nanjing 210023 China
| | - Ren Xiang Tan
- State Key Laboratory Cultivation Base for TCM Quality and Efficacy Nanjing University of Chinese Medicine Nanjing 210023 China
- State Key Laboratory of Pharmaceutical Biotechnology Institute of Functional Biomolecules School of Life Sciences Nanjing University Nanjing 210023 China
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17
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Zhang S, De Leon Rodriguez LM, Li FF, Huang R, Leung IKH, Harris PWR, Brimble MA. A novel tyrosine hyperoxidation enables selective peptide cleavage. Chem Sci 2022; 13:2753-2763. [PMID: 35356671 PMCID: PMC8890263 DOI: 10.1039/d1sc06216f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 02/10/2022] [Indexed: 11/21/2022] Open
Abstract
A novel tyrosine hyperoxidation enabling selective peptide cleavage is reported. The scission of the N-terminal amide bond of tyrosine was achieved with Dess–Martin periodinane under mild conditions, generating a C-terminal peptide fragment bearing the unprecedented hyperoxidized tyrosine motif, 4,5,6,7-tetraoxo-1H-indole-2-carboxamide, along with an intact N-terminal peptide fragment. This reaction proceeds with high site-selectivity for tyrosine and exhibits broad substrate scope for various peptides, including those containing post-translational modifications. More importantly, this oxidative cleavage was successfully applied to enable sequencing of three naturally occurring cyclic peptides, including one depsipeptide and one lipopeptide. The linearized peptides generated from the cleavage reaction significantly simplify cyclic peptide sequencing by MS/MS, thus providing a robust tool to facilitate rapid sequence determination of diverse cyclic peptides containing tyrosine. Furthermore, the highly electrophilic nature of the hyperoxidized tyrosine unit disclosed in this work renders it an important electrophilic target for the selective bioconjugation or synthetic manipulation of peptides containing this unit. A Tyr-selective peptide cleavage was reported using Dess–Martin periodinane. The cleavage generates an unprecedented hyperoxidized tyrosine motif in the C-terminal fragment and showed excellent site-specificity and broad scope for various peptides.![]()
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Affiliation(s)
- Shengping Zhang
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand .,School of Biological Sciences, The University of Auckland 3A Symonds St Auckland 1010 New Zealand
| | | | - Freda F Li
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand
| | - Renjie Huang
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand
| | - Ivanhoe K H Leung
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand .,Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland 1142 New Zealand
| | - Paul W R Harris
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand .,School of Biological Sciences, The University of Auckland 3A Symonds St Auckland 1010 New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland 1142 New Zealand
| | - Margaret A Brimble
- School of Chemical Sciences, The University of Auckland 23 Symonds St Auckland 1010 New Zealand .,School of Biological Sciences, The University of Auckland 3A Symonds St Auckland 1010 New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland 1142 New Zealand
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18
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Jiang H, Chen W, Wang J, Zhang R. Selective N-terminal modification of peptides and proteins: Recent progresses and applications. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.06.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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19
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Sornay C, Vaur V, Wagner A, Chaubet G. An overview of chemo- and site-selectivity aspects in the chemical conjugation of proteins. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211563. [PMID: 35116160 PMCID: PMC8790347 DOI: 10.1098/rsos.211563] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/20/2021] [Indexed: 05/03/2023]
Abstract
The bioconjugation of proteins-that is, the creation of a covalent link between a protein and any other molecule-has been studied for decades, partly because of the numerous applications of protein conjugates, but also due to the technical challenge it represents. Indeed, proteins possess inner physico-chemical properties-they are sensitive and polynucleophilic macromolecules-that make them complex substrates in conjugation reactions. This complexity arises from the mild conditions imposed by their sensitivity but also from selectivity issues, viz the precise control of the conjugation site on the protein. After decades of research, strategies and reagents have been developed to address two aspects of this selectivity: chemoselectivity-harnessing the reacting chemical functionality-and site-selectivity-controlling the reacting amino acid residue-most notably thanks to the participation of synthetic chemistry in this effort. This review offers an overview of these chemical bioconjugation strategies, insisting on those employing native proteins as substrates, and shows that the field is active and exciting, especially for synthetic chemists seeking new challenges.
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Affiliation(s)
- Charlotte Sornay
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Valentine Vaur
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Alain Wagner
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
| | - Guilhem Chaubet
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis, University of Strasbourg, 74 Route du Rhin, Illkirch-Graffenstaden 67400, France
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20
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Chen Y, Loredo A, Chung A, Zhang M, Liu R, Xiao H. Biosynthesis and Genetic Incorporation of 3,4-Dihydroxy-L-Phenylalanine into Proteins in Escherichia coli. J Mol Biol 2021; 434:167412. [PMID: 34942167 PMCID: PMC9018569 DOI: 10.1016/j.jmb.2021.167412] [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: 09/28/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 11/28/2022]
Abstract
While 20 canonical amino acids are used by most organisms for protein synthesis, the creation of cells that can use noncanonical amino acids (ncAAs) as additional protein building blocks holds great promise for preparing novel medicines and for studying complex questions in biological systems. However, only a small number of biosynthetic pathways for ncAAs have been reported to date, greatly restricting our ability to generate cells with ncAA building blocks. In this study, we report the creation of a completely autonomous bacterium that utilizes 3,4-dihydroxy-L-phenylalanine (DOPA) as its 21st amino acid building block. Like canonical amino acids, DOPA can be biosynthesized without exogenous addition and can be genetically incorporated into proteins in a site-specific manner. Equally important, the protein production yield of DOPA-containing proteins from these autonomous cells is greater than that of cells exogenously fed with 9 mM DOPA. The unique catechol moiety of DOPA can be used as a versatile handle for site-specific protein functionalizations via either oxidative coupling or strain-promoted oxidation-controlled cyclooctyne-1,2-quinone (SPOCQ) cycloaddition reactions. We further demonstrate the use of these autonomous cells in preparing fluorophore-labeled anti-human epidermal growth factor 2 (HER2) antibodies for the detection of HER2 expression on cancer cells.
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Affiliation(s)
- Yuda Chen
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005
| | - Axel Loredo
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005
| | - Anna Chung
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005
| | - Mengxi Zhang
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005
| | - Rui Liu
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005
| | - Han Xiao
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas, 77005; Department of Biosciences, Rice University, 6100 Main Street, Houston, Texas, 77005; Department of Bioengineering, Rice University, 6100 Main Street, Houston, Texas, 77005.
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21
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Xiao Z, Chen D, Mulder F, Song S, van der Wouden PE, Cool RH, Melgert BN, Poelarends GJ, Dekker FJ. 4-Iodopyrimidine Labeling Reveals Nuclear Translocation and Nuclease Activity for Both MIF and MIF2*. Chemistry 2021; 28:e202103030. [PMID: 34724273 PMCID: PMC9299485 DOI: 10.1002/chem.202103030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Indexed: 11/18/2022]
Abstract
Macrophage migration inhibitory factor (MIF) and its homolog MIF2 (also known as D‐dopachrome tautomerase or DDT) play key roles in cell growth and immune responses. MIF and MIF2 expression is dysregulated in cancers and neurodegenerative diseases. Accurate and convenient detection of MIF and MIF2 will facilitate research on their roles in cancer and other diseases. Herein, we report the development and application of a 4‐iodopyrimidine based probe 8 for the selective labeling of MIF and MIF2. Probe 8 incorporates a fluorophore that allows in situ imaging of these two proteins. This enabled visualization of the translocation of MIF2 from the cytoplasm to the nucleus upon methylnitronitrosoguanidine stimulation of HeLa cells. This observation, combined with literature on nuclease activity for MIF, enabled the identification of nuclease activity for MIF2 on human genomic DNA.
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Affiliation(s)
- Zhangping Xiao
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Deng Chen
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Fabian Mulder
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Shanshan Song
- Molecular Pharmacology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Petra E van der Wouden
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Robbert H Cool
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Barbro N Melgert
- Molecular Pharmacology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.,University Medical Center Groningen, Groningen Research Institute of Asthma and COPD, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Gerrit J Poelarends
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Frank J Dekker
- Department Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy (GRIP), University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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22
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Mogilevsky CS, Lobba MJ, Brauer DD, Marmelstein AM, Maza JC, Gleason JM, Doudna JA, Francis MB. Synthesis of Multi-Protein Complexes through Charge-Directed Sequential Activation of Tyrosine Residues. J Am Chem Soc 2021; 143:13538-13547. [PMID: 34382787 DOI: 10.1021/jacs.1c03079] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Site-selective protein-protein coupling has long been a goal of chemical biology research. In recent years, that goal has been realized to varying degrees through a number of techniques, including the use of tyrosinase-based coupling strategies. Early publications utilizing tyrosinase from Agaricus bisporus(abTYR) showed the potential to convert tyrosine residues into ortho-quinone functional groups, but this enzyme is challenging to produce recombinantly and suffers from some limitations in substrate scope. Initial screens of several tyrosinase candidates revealed that the tyrosinase from Bacillus megaterium (megaTYR) is an enzyme that possesses a broad substrate tolerance. We use the expanded substrate preference as a starting point for protein design experiments and show that single point mutants of megaTYR are capable of activating tyrosine residues in various sequence contexts. We leverage this new tool to enable the construction of protein trimers via a charge-directed sequential activation of tyrosine residues (CDSAT).
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Affiliation(s)
- Casey S Mogilevsky
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Marco J Lobba
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Daniel D Brauer
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Alan M Marmelstein
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Johnathan C Maza
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jamie M Gleason
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jennifer A Doudna
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, United States.,Gladstone Institutes, San Francisco, California 94158, United States.,Howard Hughes Medical Institute, University of California, Berkeley, California 94720, United States.,Innovative Genomics Institute, University of California, Berkeley, California 94720, United States
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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23
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Abstract
Click chemistry has been established rapidly as one of the most valuable methods for the chemical transformation of complex molecules. Due to the rapid rates, clean conversions to the products, and compatibility of the reagents and reaction conditions even in complex settings, it has found applications in many molecule-oriented disciplines. From the vast landscape of click reactions, approaches have emerged in the past decade centered around oxidative processes to generate in situ highly reactive synthons from dormant functionalities. These approaches have led to some of the fastest click reactions know to date. Here, we review the various methods that can be used for such oxidation-induced "one-pot" click chemistry for the transformation of small molecules, materials, and biomolecules. A comprehensive overview is provided of oxidation conditions that induce a click reaction, and oxidation conditions are orthogonal to other click reactions so that sequential "click-oxidation-click" derivatization of molecules can be performed in one pot. Our review of the relevant literature shows that this strategy is emerging as a powerful approach for the preparation of high-performance materials and the generation of complex biomolecules. As such, we expect that oxidation-induced "one-pot" click chemistry will widen in scope substantially in the forthcoming years.
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Affiliation(s)
- Bauke Albada
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, 6807 WE Wageningen, The Netherlands
| | - Jordi F Keijzer
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, 6807 WE Wageningen, The Netherlands
| | - Han Zuilhof
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, 6807 WE Wageningen, The Netherlands.,School of Pharmaceutical Sciences and Technology, Tianjin University, Tianjin 300072, China.,Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
| | - Floris van Delft
- Laboratory of Organic Chemistry, Wageningen University & Research, Stippeneng 4, 6807 WE Wageningen, The Netherlands.,Synaffix BV, Industrielaan 63, 5349 AE, Oss, The Netherlands
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24
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Ramsey AV, Bischoff AJ, Francis MB. Enzyme Activated Gold Nanoparticles for Versatile Site-Selective Bioconjugation. J Am Chem Soc 2021; 143:7342-7350. [PMID: 33939917 DOI: 10.1021/jacs.0c11678] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A new enzymatic method is reported for constructing protein- and DNA-AuNP conjugates. The strategy relies on the initial functionalization of AuNPs with phenols, followed by activation with the enzyme tyrosinase. Using an oxidative coupling reaction, the activated phenols are coupled to proteins bearing proline, thiol, or aniline functional groups. Activated phenol-AuNPs are also conjugated to a small molecule biotin and commercially available thiol-DNA. Advantages of this approach for AuNP bioconjugation include: (1) initial formation of highly stable AuNPs that can be selectively activated with an enzyme, (2) the ability to conjugate either proteins or DNA through a diverse set of functional handles, (3) site-specific immobilization, and (4) facile conjugation that is complete within 2 h at room temperature under aqueous conditions. The enzymatic oxidative coupling on AuNPs is applied to the construction of tobacco mosaic virus (TMV)-AuNP conjugates, and energy transfer between the AuNPs and fluorophores on TMV is demonstrated.
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Affiliation(s)
- Alexandra V Ramsey
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Amanda J Bischoff
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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25
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Chowdhury A, Chatterjee S, Pongen A, Sarania D, Tripathi NM, Bandyopadhyay A. nSite-Selective, Chemical Modification of Protein at Aromatic Side Chain and Their Emergent Applications. Protein Pept Lett 2021; 28:788-808. [PMID: 33511938 DOI: 10.2174/0929866528666210129152535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/11/2020] [Accepted: 12/20/2020] [Indexed: 11/22/2022]
Abstract
Site-selective chemical modification of protein side chain has probed enormous opportunities in the fundamental understanding of cellular biology and therapeutic applications. Primarily, in the field of biopharmaceutical where formulation of bioconjugates is found to be potential medicine than an individual constituent. In this regard, Lysine and Cysteine are the most widely used endogenous amino acid for these purposes. Recently, the aromatic side chain residues (Trp, Tyr, and His) that are low abundant in protein have gained more attention in therapeutic applications due to their advantages of chemical reactivity and specificity. This review discusses the site-selective bioconjugation methods for aromatic side chains (Trp, Tyr and His) and highlights the developed strategies in the last three years, along with their applications. Also, the review highlights the prevalent methods published earlier. We have examined that metal-catalyzed and photocatalytic reactions are gaining more attention for bioconjugation, though their practical operation is under development. The review has been summarized with the future perspective of protein and peptide conjugations contemplating therapeutic applications and challenges.
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Affiliation(s)
- Arnab Chowdhury
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
| | - Saurav Chatterjee
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
| | - Akumlong Pongen
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
| | - Dhanjit Sarania
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
| | - Nitesh Mani Tripathi
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
| | - Anupam Bandyopadhyay
- Biomimetic Peptide Engineering Laboratory, Department of Chemistry, Indian Institute of Technology, Ropar, Birla Farms, Punjab-781039. India
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26
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Lobba M, Fellmann C, Marmelstein AM, Maza JC, Kissman EN, Robinson SA, Staahl BT, Urnes C, Lew RJ, Mogilevsky CS, Doudna JA, Francis MB. Site-Specific Bioconjugation through Enzyme-Catalyzed Tyrosine-Cysteine Bond Formation. ACS CENTRAL SCIENCE 2020; 6:1564-1571. [PMID: 32999931 PMCID: PMC7517114 DOI: 10.1021/acscentsci.0c00940] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Indexed: 05/20/2023]
Abstract
The synthesis of protein-protein and protein-peptide conjugates is an important capability for producing vaccines, immunotherapeutics, and targeted delivery agents. Herein we show that the enzyme tyrosinase is capable of oxidizing exposed tyrosine residues into o-quinones that react rapidly with cysteine residues on target proteins. This coupling reaction occurs under mild aerobic conditions and has the rare ability to join full-size proteins in under 2 h. The utility of the approach is demonstrated for the attachment of cationic peptides to enhance the cellular delivery of CRISPR-Cas9 20-fold and for the coupling of reporter proteins to a cancer-targeting antibody fragment without loss of its cell-specific binding ability. The broad applicability of this technique provides a new building block approach for the synthesis of protein chimeras.
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Affiliation(s)
- Marco
J. Lobba
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Christof Fellmann
- Department
of Molecular and Cell Biology, University
of California, Berkeley, California 94720, United States
- Gladstone
Institutes, San Francisco, California 94158, United States
- Department
of Cellular and Molecular Pharmacology, School of Medicine, University of California, San Francisco, California 94158, United States
| | - Alan M. Marmelstein
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Johnathan C. Maza
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Elijah N. Kissman
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Stephanie A. Robinson
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Brett T. Staahl
- Department
of Molecular and Cell Biology, University
of California, Berkeley, California 94720, United States
| | - Cole Urnes
- Department
of Molecular and Cell Biology, University
of California, Berkeley, California 94720, United States
| | - Rachel J. Lew
- Gladstone
Institutes, San Francisco, California 94158, United States
| | - Casey S. Mogilevsky
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jennifer A. Doudna
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Department
of Molecular and Cell Biology, University
of California, Berkeley, California 94720, United States
- Gladstone
Institutes, San Francisco, California 94158, United States
- Howard
Hughes Medical Institute, University of
California, Berkeley, California 94720, United States
- Innovative
Genomics Institute, University of California, Berkeley, California 94720, United States
| | - Matthew B. Francis
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
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27
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Geeson M, Bernardes GJL. Protein-Protein Conjugates: Tyrosine Delivers. ACS CENTRAL SCIENCE 2020; 6:1473-1475. [PMID: 32999919 PMCID: PMC7517117 DOI: 10.1021/acscentsci.0c01008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Affiliation(s)
- Michael
B. Geeson
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom
| | - Gonçalo J. L. Bernardes
- Department
of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, United Kingdom
- Instituto
de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
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28
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Nödling AR, Santi N, Williams TL, Tsai YH, Luk LYP. Enabling protein-hosted organocatalytic transformations. RSC Adv 2020; 10:16147-16161. [PMID: 33184588 PMCID: PMC7654312 DOI: 10.1039/d0ra01526a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/25/2020] [Indexed: 12/30/2022] Open
Abstract
In this review, the development of organocatalytic artificial enzymes will be discussed. This area of protein engineering research has underlying importance, as it enhances the biocompatibility of organocatalysis for applications in chemical and synthetic biology research whilst expanding the catalytic repertoire of enzymes. The approaches towards the preparation of organocatalytic artificial enzymes, techniques used to improve their performance (selectivity and reactivity) as well as examples of their applications are presented. Challenges and opportunities are also discussed.
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Affiliation(s)
- Alexander R Nödling
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Nicolò Santi
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Thomas L Williams
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Yu-Hsuan Tsai
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Louis Y P Luk
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
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29
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Marmelstein AM, Lobba MJ, Mogilevsky CS, Maza JC, Brauer DD, Francis MB. Tyrosinase-Mediated Oxidative Coupling of Tyrosine Tags on Peptides and Proteins. J Am Chem Soc 2020; 142:5078-5086. [PMID: 32093466 DOI: 10.1021/jacs.9b12002] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oxidative coupling (OC) through o-quinone intermediates has been established as an efficient and site-selective way to modify protein N-termini and the unnatural amino acid p-aminophenylalanine (paF). Recently, we reported that the tyrosinase-mediated oxidation of phenol-tagged cargo molecules is a particularly convenient method of generating o-quinones in situ. The coupling partners can be easily prepared and stored, the reaction takes place under mild conditions (phosphate buffer, pH 6.5, 4 to 23 °C), and dissolved oxygen is the only oxidant required. Here, we show an important extension of this chemistry for the activation of tyrosine residues that project into solution from the N or C-termini of peptide and protein substrates. Generating the o-quinone electrophiles from tyrosine allows greater flexibility in choosing the nucleophilic coupling partner and expands the scope of the reaction to include C-terminal positions. We also introduce a new bacterial tyrosinase enzyme that shows improved activation for some tyrosine substrates. The efficacy of several secondary amines and aniline derivatives was evaluated in the coupling reactions, providing important information for coupling partner design. This strategy was used to modify the C-termini of an antibody scFv construct and of Protein L, a human IgG kappa light chain binding protein. The use of the modified proteins as immunolabeling agents was also demonstrated.
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Affiliation(s)
- Alan M Marmelstein
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
| | - Marco J Lobba
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
| | - Casey S Mogilevsky
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
| | - Johnathan C Maza
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
| | - Daniel D Brauer
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
| | - Matthew B Francis
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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30
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Maza JC, Ramsey AV, Mehare M, Krska SW, Parish CA, Francis MB. Secondary modification of oxidatively-modified proline N-termini for the construction of complex bioconjugates. Org Biomol Chem 2020; 18:1881-1885. [PMID: 32100807 DOI: 10.1039/d0ob00211a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A convenient two-step method is reported for the ligation of alkoxyamine- or hydrazine-bearing cargo to proline N-termini. Using this approach, bifunctional proline N-terminal bioconjugates are constructed and proline N-terminal proteins are immobilized.
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Affiliation(s)
- Johnathan C Maza
- Department of Chemistry, University of California, Berkeley, California 94720, USA.
| | - Alexandra V Ramsey
- Department of Chemistry, University of California, Berkeley, California 94720, USA.
| | - Meire Mehare
- Department of Chemistry, University of California, Berkeley, California 94720, USA.
| | - Shane W Krska
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, USA
| | - Craig A Parish
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, USA
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, California 94720, USA. and Materials Science Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, USA
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31
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32
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Koo B, Dolan NS, Wucherer K, Munch HK, Francis MB. Site-Selective Protein Immobilization on Polymeric Supports through N-Terminal Imidazolidinone Formation. Biomacromolecules 2019; 20:3933-3939. [PMID: 31448594 DOI: 10.1021/acs.biomac.9b01002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Protein immobilization techniques on polymeric supports have enabled many applications in biotechnology and materials science. Attaching the proteins with controlled orientations has inherent advantages, but approaches for doing this have been largely limited to cysteine or noncanonical amino acid targeting. Herein, we report a method to attach the N-terminal positions of native proteins to polymer resins site-specifically through the use of 2-pyridinecarboxyaldehyde (2PCA) derivatives. For high protein loadings and practical synthesis, we initiated this work by preparing highly reactive 2PCA derivatives using Pd-catalyzed cross-coupling amination. The resulting compounds were attached to amine-containing polyethylene glycol acrylamide resin (PEGA-NH2), which subsequently reacted with the N-termini of proteins to produce linkages that were stable over the long term but could be reversed through the addition of hydroxylamine. We envision that this site-selective, 2PCA-based protein immobilization can provide a simple and generalizable immobilization protocol.
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Affiliation(s)
- Byungjin Koo
- Department of Chemistry , University of California , Berkeley , California 94720 , United States
| | - Nicholas S Dolan
- Department of Chemistry , University of California , Berkeley , California 94720 , United States
| | - Kristin Wucherer
- Department of Chemistry , University of California , Berkeley , California 94720 , United States
| | - Henrik K Munch
- Department of Chemistry , University of California , Berkeley , California 94720 , United States
| | - Matthew B Francis
- Department of Chemistry , University of California , Berkeley , California 94720 , United States.,Materials Sciences Division , Lawrence Berkeley National Laboratories , Berkeley , California 94720 , United States
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33
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Brauer DD, Hartman EC, Bader DLV, Merz ZN, Tullman-Ercek D, Francis MB. Systematic Engineering of a Protein Nanocage for High-Yield, Site-Specific Modification. J Am Chem Soc 2019; 141:3875-3884. [DOI: 10.1021/jacs.8b10734] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Daniel D. Brauer
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Emily C. Hartman
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Daniel L. V. Bader
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Zoe N. Merz
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
| | - Danielle Tullman-Ercek
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Technological Institute E136, Evanston, Illinois 60208-3120, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720-1460, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720-1460, United States
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