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Hidaka K, Kobayashi D, Hayashi J, Denda M, Otaka A. Advanced Insulin Synthesis by One-pot/Stepwise Disulfide Bond Formation Enabled by S-Protected Cysteine Sulfoxide. Chemistry 2024; 30:e202401003. [PMID: 38683139 DOI: 10.1002/chem.202401003] [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: 03/11/2024] [Revised: 04/11/2024] [Accepted: 04/29/2024] [Indexed: 05/01/2024]
Abstract
An advanced insulin synthesis is presented that utilizes one-pot/stepwise disulfide bond formation enabled by acid-activated S-protected cysteine sulfoxides in the presence of chloride anion. S-chlorocysteine generated from cysteine sulfoxides reacts with an S-protected cysteine to afford S-sulfenylsulfonium cation, which then furnishes the disulfide or reversely returns to the starting materials depending on the S-protection employed and the reaction conditions. Use of S-acetamidomethyl cysteine (Cys(Acm)) and its sulfoxide (Cys(Acm)(O)) selectively give the disulfide under weak acid conditions in the presence of MgCl2 even if S-p-methoxybenzyl cysteine (Cys(MBzl)) and its sulfoxide (Cys(MBzl)(O)) are also present. In contrast, the S-MBzl pair yields the disulfide under more acidic conditions in the presence of a chloride anion source. These reaction conditions allowed a one-pot insulin synthesis. Additionally, lipidated insulin was prepared by a one-pot disulfide-bonding/lipidation sequence.
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Affiliation(s)
- Kota Hidaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, 770-8505, Japan
| | - Daishiro Kobayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, 770-8505, Japan
| | - Junya Hayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, 770-8505, Japan
| | - Masaya Denda
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, 770-8505, Japan
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, 770-8505, Japan
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Hayashi J, Kobayashi D, Denda M, Otaka A. Late-Stage Formation of a Sactionine Linkage Enabled by Lossen Rearrangement of Glycyl Hydroxamic Acid. Org Lett 2024; 26:5167-5171. [PMID: 38848136 DOI: 10.1021/acs.orglett.4c01685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2024]
Abstract
Late-stage formation of a sactionine thioether bond connecting a Gly α-carbon and Cys thiol was achieved by Lossen rearrangement of a glycyl hydroxamic acid (GlyHA) residue in a peptide. Lossen rearrangement allowed conversion of GlyHA within a peptide to an N-acyl iminium equivalent, which subsequently reacted with S-acetamidomethyl Cys (Cys(Acm)) in TFA in the presence of guanidine hydrochloride (Gn·HCl) to yield the desired thioether linkage in the final stage.
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Affiliation(s)
- Junya Hayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Daishiro Kobayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Masaya Denda
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
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Wang Y, Song C, Xing Y, Shen S, Bo T, Zhang N, Wang J, Shi T, Huo S. l-Methionine Selenoxide as an Oxidizing and Deprotection Reagent for the Synthesis of Multiple Disulfide Bonds in Peptides. J Org Chem 2023; 88:8123-8132. [PMID: 37235643 DOI: 10.1021/acs.joc.3c00104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The regioselective synthesis of multiple disulfide bonds in peptides has been a significant challenge in synthetic peptide chemistry. In this work, two disulfide bonds in peptides were regioselectively synthesized via an approach of MetSeO oxidation and deprotection reaction (SeODR), in which the first disulfide bond was constructed through oxidation of dithiol by MetSeO in a neutral buffer, and the second disulfide bond was then directly constructed through the deprotection of two Acm groups or one Acm group and one Thz group by MetSeO in acidic media. Synthesis of two disulfide bonds by the SeODR approach was achieved through a one-pot manner. Moreover, the SeODR approach is compatible with the synthesis of peptides containing methionine residues. Both H+ and Br- drastically promoted the reaction rate of SeODR. The mechanistic picture for the SeODR approach was delineated, in which the formation of a stable Se-X-S bridge as the transition state plays a critical role. The SeODR approach was also utilized to construct the three disulfide bonds in linaclotide, conferring a reasonable yield.
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Affiliation(s)
- Yafang Wang
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Changying Song
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Yueyue Xing
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Shigang Shen
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Tianyu Bo
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Nan Zhang
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Jixu Wang
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
| | - Tiesheng Shi
- College of Chemistry, Chemical Engineering and Materials Science, Zaozhuang University, Zaozhuang 277160, Shandong Province, China
| | - Shuying Huo
- College of Chemistry and Materials Science, Key Laboratory of Analytical Science and Technology of Hebei Province, and MOE Key Laboratory of Medicinal Chemistry and Molecular Diagnostics, Hebei University, Baoding 071002, Hebei Province, China
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Xing Y, Wang Y, Ma D, Shen S, Song C, Zhang N, Bo T, Shi T, Huo S. N-Halosuccinimides mediated deprotection of cysteine-S protecting groups for one-pot regioselective synthesis of disulfide bonds in peptides under mild aqueous conditions. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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Otaka A. Development of Naturally Inspired Peptide and Protein Chemistry. Chem Pharm Bull (Tokyo) 2022; 70:748-764. [DOI: 10.1248/cpb.c22-00623] [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)
- Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University
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Kariapper FS, Thanzeel FY, Zandi LS, Wolf C. Selective chiroptical sensing of D/L-cysteine. Org Biomol Chem 2022; 20:3056-3060. [PMID: 35343543 DOI: 10.1039/d2ob00198e] [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
A chromophoric bifunctional probe design that allows selective chiroptical sensing of cysteine in aqueous solution is introduced. The common need for chiral HPLC separation is eliminated which expedites and simplifies the sample analysis while reducing solvent waste. Screening of the reaction between six phenacyl bromides and the enantiomers of cysteine showed that cyclization to an unsaturated thiomorpholine scaffold coincides with characteristic UV and CD effects, in particular when the reagent carries a proximate auxochromic nitro group. The UV changes and CD inductions were successfully used for determination of the absolute configuration, enantiomeric composition and total concentration of 18 test samples. This assay is highly selective for free cysteine while other amino acids, cysteine derived small peptides and biothiols do not interfere with the chiroptical signal generation.
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Affiliation(s)
- F Safia Kariapper
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA.
| | - F Yushra Thanzeel
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA.
| | - Lily S Zandi
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA.
| | - Christian Wolf
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA.
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Kobayashi D, Kohmura Y, Hayashi J, Denda M, Tsuchiya K, Otaka A. Copper(II)-mediated C-H sulphenylation or selenylation of tryptophan enabling macrocyclization of peptides. Chem Commun (Camb) 2021; 57:10763-10766. [PMID: 34585682 DOI: 10.1039/d1cc04856b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cu(II)-mediated C-H sulphenylation or selenylation of Trp indole by a derivative of cysteine or selenocysteine enables access to the tryptathionine unit or its selenium congener. The mechanism of these protocols, which allow macrocyclization of Trp-containing peptides, has been studied.
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Affiliation(s)
- Daishiro Kobayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Yutaka Kohmura
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Junya Hayashi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Masaya Denda
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Koichiro Tsuchiya
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
| | - Akira Otaka
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Sho-machi, 1-78-1, Tokushima 770-8505, Japan.
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Spears RJ, McMahon C, Chudasama V. Cysteine protecting groups: applications in peptide and protein science. Chem Soc Rev 2021; 50:11098-11155. [PMID: 34605832 DOI: 10.1039/d1cs00271f] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Protecting group chemistry for the cysteine thiol group has enabled a vast array of peptide and protein chemistry over the last several decades. Increasingly sophisticated strategies for the protection, and subsequent deprotection, of cysteine have been developed, facilitating synthesis of complex disulfide-rich peptides, semisynthesis of proteins, and peptide/protein labelling in vitro and in vivo. In this review, we analyse and discuss the 60+ individual protecting groups reported for cysteine, highlighting their applications in peptide synthesis and protein science.
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Affiliation(s)
| | - Clíona McMahon
- Department of Chemistry, University College London, London, UK.
| | - Vijay Chudasama
- Department of Chemistry, University College London, London, UK.
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Laps S, Satish G, Brik A. Harnessing the power of transition metals in solid-phase peptide synthesis and key steps in the (semi)synthesis of proteins. Chem Soc Rev 2021; 50:2367-2387. [PMID: 33432943 DOI: 10.1039/d0cs01156h] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Peptides and proteins can be either synthesized using solid-phase peptide synthesis (SPPS) or by applying a combination of SPPS and ligation approaches to address fundamental questions related to human health and disease, among others. The demand for their production either by chemical or biological methods continues to raise significant interests from the synthetic community. In this context, transition metals such as Pd, Ag, Hg, Tl, Au, Zn, Ni, and Cu have also contributed to the field of peptide and protein synthesis such as in peptide conjugation, extending native chemical ligation (NCL), and for regioselective disulfide bonds formation. In this review, we highlight, summarize, and evaluate the use of various transition metals in the chemical synthesis of peptides and proteins with emphasis on recent developments in this exciting research area.
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Affiliation(s)
- Shay Laps
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, 3200008, Israel.
| | - Gandhesiri Satish
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, 3200008, Israel.
| | - Ashraf Brik
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, 3200008, Israel.
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