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Wu YJ, Meanwell NA. Geminal Diheteroatomic Motifs: Some Applications of Acetals, Ketals, and Their Sulfur and Nitrogen Homologues in Medicinal Chemistry and Drug Design. J Med Chem 2021; 64:9786-9874. [PMID: 34213340 DOI: 10.1021/acs.jmedchem.1c00790] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Acetals and ketals and their nitrogen and sulfur homologues are often considered to be unconventional and potentially problematic scaffolding elements or pharmacophores for the design of orally bioavailable drugs. This opinion is largely a function of the perception that such motifs might be chemically unstable under the acidic conditions of the stomach and upper gastrointestinal tract. However, even simple acetals and ketals, including acyclic molecules, can be sufficiently robust under acidic conditions to be fashioned into orally bioavailable drugs, and these structural elements are embedded in many effective therapeutic agents. The chemical stability of molecules incorporating geminal diheteroatomic motifs can be modulated by physicochemical design principles that include the judicious deployment of proximal electron-withdrawing substituents and conformational restriction. In this Perspective, we exemplify geminal diheteroatomic motifs that have been utilized in the discovery of orally bioavailable drugs or drug candidates against the backdrop of understanding their potential for chemical lability.
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Affiliation(s)
- Yong-Jin Wu
- Small Molecule Drug Discovery, Bristol Myers Squibb Research and Early Development, 100 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Nicholas A Meanwell
- Department of Discovery and Chemistry and Molecular Technologies, Bristol-Myers Squibb PRI, PO Box 4000, Princeton, New Jersey 08543-4000, United States
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2
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Beard HA, Korovesis D, Chen S, Verhelst SHL. Cleavable linkers and their application in MS-based target identification. Mol Omics 2021; 17:197-209. [PMID: 33507200 DOI: 10.1039/d0mo00181c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Covalent chemical probes are important tools in chemical biology. They range from post-translational modification (PTM)-derived metabolic probes, to activity-based probes and photoaffinity labels. Identification of the probe targets is often performed by tandem mass spectrometry-based proteomics methods. In the past fifteen years, cleavable linker technologies have been implemented in these workflows in order to identify probe targets with lower background and higher confidence. In addition, the linkers have enabled identification of modification sites. Overall, this has led to an increased knowledge of PTMs, enzyme function and drug action. This review gives an overview of the different types of cleavable linkers, and their benefits and limitations. Their applicability in target identification is also illustrated by several specific examples.
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Affiliation(s)
- Hester A Beard
- KU Leuven, Department of Cellular and Molecular Medicine, Laboratory of Chemical Biology, Herestr. 49 box 802, 3000 Leuven, Belgium.
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McConnell EW, Smythers AL, Hicks LM. Maleimide-Based Chemical Proteomics for Quantitative Analysis of Cysteine Reactivity. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:1697-1705. [PMID: 32573231 DOI: 10.1021/jasms.0c00116] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Cysteine is the most intrinsically nucleophilic residue in proteins and serves as a mediator against increasing reactive oxygen species (ROS) via reversible thiol oxidation. Despite the importance of cysteine oxidation in understanding biological stress response, cysteine sites most reactive toward ROS remain largely unknown and are a major analytical challenge. Herein, a chemical proteomic method to quantify site-specific cysteine reactivity using a maleimide-activated, thiol-reactive probe (N-propargylmaleimide, NPM) is described. Implementation of a gel-based approach via conjugation of rhodamine-azide to NPM-labeled cysteine residues by copper-catalyzed azide-alkyne cycloaddition (CuAAC) click chemistry allowed simple and highly sensitive fluorescence profiling. Relative quantification of >1500 unique cysteine sites from greater than 800 proteins was achieved by conjugating dialkoxydiphenylsilane (DADPS) biotin-azide by the CuAAC reaction and subsequently performing biotin-streptavidin affinity purification and mass-spectrometry-based proteomics. Taken together, this work defines a novel role for the NPM probe in chemical proteomics and presents a robust method for determination of cysteine reactivity during oxidative stress response.
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Affiliation(s)
- Evan W McConnell
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Amanda L Smythers
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Leslie M Hicks
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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Morisaki T, Shigenaga A, Otaka A. Development of a Turn-On Fluorescent Traceable Linker Employing N-Sulfanylethylcoumarinyl Amide for the Enrichment and Visualization of Target Proteins. Chem Pharm Bull (Tokyo) 2020; 68:216-219. [PMID: 32115528 DOI: 10.1248/cpb.c19-00726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A turn-on fluorescent traceable linker based on N-sulfanylethylcoumarinyl amide (SECmide) has been developed as an advanced cleavable linker. It was successfully employed for the enrichment and selective visualization of a target protein in cell lysate. The results demonstrated that the SECmide-based traceable linker is potentially applicable to the identification of low molecular weight target proteins, a factor which has been problematic for a previously developed N-sulfanylethylanilide-based traceable linker.
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Affiliation(s)
- Takuya Morisaki
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University
| | - Akira Shigenaga
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University
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5
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Shigenaga A. Development of Chemical Biology Tools Focusing on Peptide/Amide Bond Cleavage Reaction. Chem Pharm Bull (Tokyo) 2019; 67:1171-1178. [PMID: 31685746 DOI: 10.1248/cpb.c19-00285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Peptides and proteins are involved in almost all biological events. In this review, three chemical biology tools, which were developed for peptide/protein sciences from a viewpoint of peptide/amide bond cleavage, are overviewed. First, study on an artificial amino acid that enables stimulus-responsive functional control of peptides/proteins is briefly described. Two N-S acyl transfer reaction-based tools, one a linker molecule for facile identification of target proteins of bioactive compounds and the other a reagent for selective labeling of proteins of interest, are then discussed.
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Affiliation(s)
- Akira Shigenaga
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University
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Wawro AM, Aoki Y, Muraoka T, Tsumoto K, Kinbara K. Enzymatically cleavable traceless biotin tags for protein PEGylation and purification. Chem Commun (Camb) 2018; 54:1913-1916. [DOI: 10.1039/c7cc05814d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Immobilized lipase was successfully employed for the rapid removal of a biotin tag from a protein–PEG conjugate under mild conditions.
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Affiliation(s)
- Adam M. Wawro
- School of Life Science and Technology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
- Department of Bioengineering
| | - Yusuke Aoki
- School of Life Science and Technology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
| | - Takahiro Muraoka
- School of Life Science and Technology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
- PRESTO
| | - Kouhei Tsumoto
- Department of Bioengineering
- School of Engineering
- The University of Tokyo
- Tokyo 108-8656
- Japan
| | - Kazushi Kinbara
- School of Life Science and Technology
- Tokyo Institute of Technology
- Yokohama 226-8501
- Japan
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7
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Cowell J, Buck M, Essa AH, Clarke R, Vollmer W, Vollmer D, Hilkens CM, Isaacs JD, Hall MJ, Gray J. Traceless Cleavage of Protein-Biotin Conjugates under Biologically Compatible Conditions. Chembiochem 2017; 18:1688-1691. [PMID: 28581639 PMCID: PMC5708275 DOI: 10.1002/cbic.201700214] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Indexed: 12/14/2022]
Abstract
Biotinylation of amines is widely used to conjugate biomolecules, but either the resulting label is non-removable or its removal leaves a tag on the molecule of interest, thus affecting downstream processes. We present here a set of reagents (RevAmines) that allow traceless, reversible biotinylation under biologically compatible, mild conditions. Release following avidin-based capture is achieved through the cleavage of a (2-(alkylsulfonyl)ethyl) carbamate linker under mild conditions (200 mm ammonium bicarbonate, pH 8, 16-24 h, room temperature) that regenerates the unmodified amine. The capture and release of biotinylated proteins and peptides from neutravidin, fluorescent labelling through reversible biotinylation at the cell surface and the selective enrichment of proteins from bacterial periplasm are demonstrated. The tags are easily prepared, stable and offer the potential for future application in proteomics, activity-based protein profiling, affinity chromatography and bio-molecule tagging and purification.
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Affiliation(s)
- Joseph Cowell
- School of ChemistryNewcastle UniversityNewcastle upon TyneNE2 7RUUK
| | - Matthew Buck
- Musculoskeletal Research GroupInstitute of Cellular MedicineNewcastle UniversityNewcastle upon TyneNE2 4HHUK
| | - Ali H. Essa
- School of ChemistryNewcastle UniversityNewcastle upon TyneNE2 7RUUK
- Department of ChemistryCollege of ScienceUniversity of BasrahBasrahIraq
| | - Rebecca Clarke
- School of ChemistryNewcastle UniversityNewcastle upon TyneNE2 7RUUK
| | - Waldemar Vollmer
- Institute for Cell and Molecular BiosciencesNewcastle UniversityNewcastle upon TyneNE2 4HHUK
| | - Daniela Vollmer
- Institute for Cell and Molecular BiosciencesNewcastle UniversityNewcastle upon TyneNE2 4HHUK
| | - Catharien M. Hilkens
- Musculoskeletal Research GroupInstitute of Cellular MedicineNewcastle UniversityNewcastle upon TyneNE2 4HHUK
| | - John D. Isaacs
- Musculoskeletal Research GroupInstitute of Cellular MedicineNewcastle UniversityNewcastle upon TyneNE2 4HHUK
| | - Michael J. Hall
- School of ChemistryNewcastle UniversityNewcastle upon TyneNE2 7RUUK
| | - Joe Gray
- Institute for Cell and Molecular BiosciencesNewcastle UniversityNewcastle upon TyneNE2 4HHUK
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Shigenaga A, Yamamoto J, Kohiki T, Inokuma T, Otaka A. Invention of stimulus-responsive peptide-bond-cleaving residue (Spr) and its application to chemical biology tools. J Pept Sci 2017; 23:505-513. [PMID: 28105728 DOI: 10.1002/psc.2961] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 12/05/2016] [Accepted: 12/07/2016] [Indexed: 01/04/2023]
Abstract
Elucidation of biological functions of peptides and proteins is essential for understanding peptide/protein-related biological events and developing drugs. Caged peptides and proteins that release a parent active peptide/protein by photo-irradiation have successfully been employed to elucidate the functions. Whereas the usual caged peptide/protein enables conversion of an inactive form to an active form (OFF-to-ON conversion) by photo-induced deprotection, photo-triggered main chain cleavage is reported to be applicable to ON-to-OFF conversion. These peptides and proteins are photo-responsive; however, if peptides and proteins could respond to other stimuli such as disease-related environment or enzymes, their range of application should be widened. To convert the photo-responsive peptide/protein into other stimulus-responsive peptide/protein, quite laborious de novo design and synthesis of the stimulus-responsive unit are required. In this context, we designed a stimulus-responsive peptide-bond-cleaving residue (Spr) in which the stimuli available for the main chain cleavage vary according to the choice of protecting groups on the residue. In this review, design and synthesis of Spr are introduced, and challenges to apply Spr to other fields to enable, for example, functional control, localization control, delivery of cargos, labeling of a protein of interest in living cells, and identification of target proteins of bioactive ligands are discussed. Copyright © 2017 European Peptide Society and John Wiley & Sons, Ltd.
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Affiliation(s)
- Akira Shigenaga
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan.,PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Jun Yamamoto
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Taiki Kohiki
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Tsubasa Inokuma
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
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Morisaki T, Denda M, Yamamoto J, Tsuji D, Inokuma T, Itoh K, Shigenaga A, Otaka A. An N-sulfanylethylanilide-based traceable linker for enrichment and selective labelling of target proteins. Chem Commun (Camb) 2016; 52:6911-3. [PMID: 27146590 DOI: 10.1039/c6cc01229a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An N-sulfanylethylanilide-based traceable linker, developed to facilitate identification of target proteins of bioactive compounds, was introduced into an alkynylated target protein. Subsequent adsorption onto streptavidin beads allowed it to be treated with a cysteine-fluorophore conjugate in the presence of phosphate. This induced the N-S acyl transfer reaction of the N-sulfanylethylanilide unit. The subsequent native chemical ligation of the fluorophore resulted in cleavage of the linker for target elution and fluorescence labelling of the target, allowing it to be distinguished from non-target proteins.
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Affiliation(s)
- Takuya Morisaki
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Shomachi, Tokushima 770-8505, Japan.
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Yin R, Zhang N, Wu W, Wang K. Poly(ethylene glycol)-grafted cyclic acetals based polymer networks with non-water-swellable, biodegradable and surface hydrophilic properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 62:137-43. [DOI: 10.1016/j.msec.2016.01.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 01/04/2016] [Accepted: 01/15/2016] [Indexed: 10/22/2022]
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