101
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Weidmann J, Schnölzer M, Dawson PE, Hoheisel JD. Copying Life: Synthesis of an Enzymatically Active Mirror-Image DNA-Ligase Made of D-Amino Acids. Cell Chem Biol 2019; 26:645-651.e3. [PMID: 30880154 DOI: 10.1016/j.chembiol.2019.02.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 11/27/2018] [Accepted: 02/07/2019] [Indexed: 11/17/2022]
Abstract
Our objective is the creation of a mirror-image synthetic biology: that is, to mimic, entirely independent of Nature, a biological system and to re-create it from artificial component parts. Utilizing enantiomeric L-nucleotides and D-amino acids rather than the natural components, we use chemical synthesis toward a basic, self-replicating mirror-image biological system. Here, we report the synthesis of a functional DNA-ligase in the D-enantiomeric conformation, which is an exact mirror-image of the natural enzyme, exhibiting DNA ligation activity on chirally inverted nucleic acids in L-conformation, but not acting on natural substrates and with natural co-factors. Starting from the known structure of the Paramecium bursaria chlorella virus 1 DNA-ligase and the homologous but shorter DNA-ligase of Haemophilus influenza, we designed and synthesized chemically peptides, which could then be assembled into a full-length molecule yielding a functional protein. The structure and the activity of the mirror-image ligase were characterized, documenting its enantiospecific functionality.
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Affiliation(s)
- Joachim Weidmann
- Functional Genome Analysis, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany; Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Martina Schnölzer
- Functional Proteome Analysis, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Philip E Dawson
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Jörg D Hoheisel
- Functional Genome Analysis, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany.
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102
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Zhao DD, Fan XW, Hao H, Zhang HL, Guo Y. Temporary Solubilizing Tags Method for the Chemical Synthesis of Hydrophobic Proteins. CURR ORG CHEM 2019. [DOI: 10.2174/1385272822666181211121758] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hydrophobic proteins, as one of the cellular protein classifications, play an essential function in maintaining the normal life cycle of living cells. Researches on the structure and function of hydrophobic proteins promote the exploration of the causes of major diseases, and development of new therapeutic agents for disease treatment. However, the poor water solubility of hydrophobic proteins creates problems for their preparation, separation, characterization and functional studies. The temporary solubilizing tags are considered a practical strategy to effectively solve the poor water solubility problem of hydrophobic proteins. This strategy can significantly improve the water solubility of hydrophobic peptides/proteins, making them like water-soluble peptides/proteins easy to be purified, characterized. More importantly, the temporary solubilizing tags can be removed after protein synthesis, so thus the structure and function of the hydrophobic proteins are not affected. At present, temporary solubilizing tags have been successfully used to prepare many important hydrophobic proteins such as membrane proteins, lipoproteins and chaperones. In this review, we summarize the recent researches and applications of temporary solubilizing tags.
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Affiliation(s)
- Dong-Dong Zhao
- Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia 014060, China
| | - Xiao-Wen Fan
- Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia 014060, China
| | - He Hao
- Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia 014060, China
| | - Hong-Li Zhang
- Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia 014060, China
| | - Ye Guo
- Department of Pharmacy, Baotou Medical College, Baotou, Inner Mongolia 014060, China
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103
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Baral A, Asokan A, Bauer V, Kieffer B, Torbeev V. Chemical synthesis of transactivation domain (TAD) of tumor suppressor protein p53 by native chemical ligation of three peptide segments. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.11.074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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104
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Total chemical synthesis by native chemical ligation of the all-D immunoglobulin-like domain 2 of Axl. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.01.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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105
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Soares IP, da Silva AG, da Fonseca Alves R, de Souza Corrêa RAM, Ferreira LF, Franco DL. Electrochemical enzymatic biosensor for tyramine based on polymeric matrix derived from 4-mercaptophenylacetic acid. J Solid State Electrochem 2019. [DOI: 10.1007/s10008-019-04204-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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106
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Cistrone PA, Bird MJ, Flood DT, Silvestri AP, Hintzen JCJ, Thompson DA, Dawson PE. Native Chemical Ligation of Peptides and Proteins. ACTA ACUST UNITED AC 2019; 11:e61. [PMID: 30645048 DOI: 10.1002/cpch.61] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
For over 20 years, native chemical ligation (NCL) has played a pivotal role in enabling total synthesis and semisynthesis of increasingly complex peptide and protein targets. Classical NCL proceeds by chemoselective reaction of two unprotected polypeptide chains in near-neutral-pH, aqueous solution and is made possible by the presence of a thioester moiety on the C-terminus of the N-terminal peptide fragment and a natural cysteine residue on the N-terminus of the C-terminal peptide fragment. The reaction yields an amide bond adjacent to cysteine at the ligation site, furnishing a native protein backbone in a traceless manner. This unit highlights a number of recent and powerful advances in the methodology and outlines their particular uses, facilitating application in the synthesis of challenging protein targets. © 2019 by John Wiley & Sons, Inc.
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107
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Whedon SD, Parker MK, Tyson EL, Ritterhoff T, Shelton PMM, Chatterjee C. A clickable glutamine (CliQ) derivative for the traceless reversible modification of peptides and proteins. Chem Commun (Camb) 2019; 55:2043-2045. [DOI: 10.1039/c8cc09404g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Cu(i)-mediated click reaction of proteins with affinity tags enables their selective isolation from complex mixtures.
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108
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Zheng Y, Zheng W, Zhu D, Chang H. Theoretical modeling of pKa's of thiol compounds in aqueous solution. NEW J CHEM 2019. [DOI: 10.1039/c8nj06259e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The pKa's of different kinds of thiols (R-SH) were investigated by using the M06-2X method with a SMDsSAS model.
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Affiliation(s)
- Yuanyuan Zheng
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Wenrui Zheng
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Danfeng Zhu
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Huifang Chang
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
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109
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Asakawa T, Fujii A, Yoneda N, Ohta A, Asakawa H. Enhanced Aggregation of Stimuli Responsive Surfactants by Esterolytic Reactions. J Oleo Sci 2019; 68:573-580. [DOI: 10.5650/jos.ess19043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Tsuyoshi Asakawa
- School of Chemistry, College of Science and Engineering, Kanazawa University
| | - Akina Fujii
- School of Chemistry, College of Science and Engineering, Kanazawa University
| | - Nodoka Yoneda
- School of Chemistry, College of Science and Engineering, Kanazawa University
| | - Akio Ohta
- School of Chemistry, College of Science and Engineering, Kanazawa University
| | - Hitoshi Asakawa
- School of Chemistry, College of Science and Engineering, Kanazawa University
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110
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Zuo C, Zhang B, Yan B, Zheng JS. One-pot multi-segment condensation strategies for chemical protein synthesis. Org Biomol Chem 2019; 17:727-744. [DOI: 10.1039/c8ob02610f] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This paper describes recent advances of one-pot multi-segment condensation strategies based on kinetically controlled strategies and/or protecting group-removal strategies in chemical protein synthesis.
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Affiliation(s)
- Chong Zuo
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230027
- China
- Department of Chemistry
| | - Baochang Zhang
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Bingjia Yan
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Ji-Shen Zheng
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230027
- China
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111
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Kamo N, Hayashi G, Okamoto A. Triple Function of 4-Mercaptophenylacetic Acid Promotes One-Pot Multiple Peptide Ligation. Angew Chem Int Ed Engl 2018; 57:16533-16537. [PMID: 30346110 DOI: 10.1002/anie.201809765] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Indexed: 11/07/2022]
Abstract
One-pot multiple peptide ligation is a key technology to improve the efficiency of chemical protein synthesis. One-pot repetitive peptide ligation requires a cycle of three steps: peptide ligation, removal of a protecting group, and inactivation of the deprotection reagent. However, previous strategies are not sufficient because of harsh deprotection conditions, slow deprotection rates, and difficulty in quenching the deprotection reagent. To address these issues, we developed a rapid, efficient deprotection and subsequent quenching strategy using an allyloxycarbonyl group to protect the N-terminal cysteine residue. 4-Mercaptophenylacetic acid (MPAA), a thiol additive for native chemical ligation, functioned not only as a scavenger for π-allyl palladium complexes, but also as a quencher of palladium(0) complexes. By utilizing the multifunctionality of MPAA, we carried out a one-pot five-segment ligation to afford histone H2AX (142 amino acids), which was isolated in 59 % yield.
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Affiliation(s)
- Naoki Kamo
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Gosuke Hayashi
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Akimitsu Okamoto
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan
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112
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Kamo N, Hayashi G, Okamoto A. Triple Function of 4-Mercaptophenylacetic Acid Promotes One-Pot Multiple Peptide Ligation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809765] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Naoki Kamo
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Gosuke Hayashi
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Akimitsu Okamoto
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Research Center for Advanced Science and Technology; The University of Tokyo; 4-6-1 Komaba, Meguro-ku Tokyo 153-8904 Japan
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113
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Snella B, Diemer V, Drobecq H, Agouridas V, Melnyk O. Native Chemical Ligation at Serine Revisited. Org Lett 2018; 20:7616-7619. [DOI: 10.1021/acs.orglett.8b03355] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Benoît Snella
- University of Lille, Pasteur Institute of Lille, UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, F-59000 Lille, France
| | - Vincent Diemer
- University of Lille, Pasteur Institute of Lille, UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, F-59000 Lille, France
| | - Hervé Drobecq
- University of Lille, Pasteur Institute of Lille, UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, F-59000 Lille, France
| | - Vangelis Agouridas
- University of Lille, Pasteur Institute of Lille, UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, F-59000 Lille, France
| | - Oleg Melnyk
- University of Lille, Pasteur Institute of Lille, UMR CNRS 8204, Centre d’Immunité et d’Infection de Lille, F-59000 Lille, France
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114
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Cargoët M, Diemer V, Snella B, Desmet R, Blanpain A, Drobecq H, Agouridas V, Melnyk O. Catalysis of Thiol-Thioester Exchange by Water-Soluble Alkyldiselenols Applied to the Synthesis of Peptide Thioesters and SEA-Mediated Ligation. J Org Chem 2018; 83:12584-12594. [PMID: 30230829 DOI: 10.1021/acs.joc.8b01903] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
N-Alkyl bis(2-selanylethyl)amines catalyze the synthesis of peptide thioesters or peptide ligation from bis(2-sulfanylethyl)amido (SEA) peptides. These catalysts are generated in situ by reduction of the corresponding cyclic diselenides by tris(2-carboxyethyl)phosphine. They are particularly efficient at pH 4.0 by accelerating the thiol-thioester exchange processes, which are otherwise rate-limiting at this pH. By promoting SEA-mediated reactions at mildly acidic pH, they facilitate the synthesis of complex peptides such as cyclic O-acyl isopeptides that are otherwise hardly accessible.
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Affiliation(s)
- Marine Cargoët
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Vincent Diemer
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Benoît Snella
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Rémi Desmet
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Annick Blanpain
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Hervé Drobecq
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Vangelis Agouridas
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
| | - Oleg Melnyk
- Université de Lille , Institut Pasteur de Lille, UMR CNRS 8204 , 1 rue du Pr Calmette , 59021 Lille , France
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115
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Cerda MM, Zhao Y, Pluth MD. Thionoesters: A Native Chemical Ligation-Inspired Approach to Cysteine-Triggered H 2S Donors. J Am Chem Soc 2018; 140:12574-12579. [PMID: 30230325 DOI: 10.1021/jacs.8b07268] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Native chemical ligation (NCL) is a simple, widely used, and powerful synthetic tool to ligate N-terminal cysteine residues and C-terminal α-thioesters via a thermodynamically stable amide bond. Building on this well-established reactivity, as well as advancing our interests in the chemical biology of reactive sulfur species including hydrogen sulfide (H2S), we hypothesized that thionoesters, which are constitutional isomers of thioesters, would undergo a similar NCL reaction in the presence of cysteine to release H2S under physiological conditions. Herein, we report mechanistic and kinetic investigations into cysteine-mediated H2S release from thionoesters. We found that this reaction proceeds with high H2S-releasing efficiency (∼80%) and with a rate constant (9.1 ± 0.3 M-1 s-1) comparable to that for copper-catalyzed azide-alkyne cycloadditions (CuAAC). Additionally, we found that the final product of the reaction of cysteine with thionoesters results in the formation of a stable dihydrothiazole, which is an iron-binding motif commonly found in siderophores produced by bacteria during periods of nutrient deprivation.
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Affiliation(s)
- Matthew M Cerda
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular Biology , University of Oregon , Eugene , Oregon 97403 , United States
| | - Yu Zhao
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular Biology , University of Oregon , Eugene , Oregon 97403 , United States
| | - Michael D Pluth
- Department of Chemistry and Biochemistry, Materials Science Institute, Institute of Molecular Biology , University of Oregon , Eugene , Oregon 97403 , United States
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116
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Najafi M, Kordalivand N, Moradi MA, van den Dikkenberg J, Fokkink R, Friedrich H, Sommerdijk NAJM, Hembury M, Vermonden T. Native Chemical Ligation for Cross-Linking of Flower-Like Micelles. Biomacromolecules 2018; 19:3766-3775. [PMID: 30102855 PMCID: PMC6143283 DOI: 10.1021/acs.biomac.8b00908] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/09/2018] [Indexed: 12/03/2022]
Abstract
In this study, native chemical ligation (NCL) was used as a selective cross-linking method to form core-cross-linked thermosensitive polymeric micelles for drug delivery applications. To this end, two complementary ABA triblock copolymers having polyethylene glycol (PEG) as midblock were synthesized by atom transfer radical polymerization (ATRP). The thermosensitive poly isopropylacrylamide (PNIPAM) outer blocks of the polymers were copolymerized with either N-(2-hydroxypropyl)methacrylamide-cysteine (HPMA-Cys), P(NIPAM- co-HPMA-Cys)-PEG-P(NIPAM- co-HPMA-Cys) (PNC) or N-(2-hydroxypropyl)methacrylamide-ethylthioglycolate succinic acid (HPMA-ETSA), P(NIPAM- co-HPMA-ETSA)-PEG-P(NIPAM- co-HPMA-ETSA) (PNE). Mixing of these polymers in aqueous solution followed by heating to 50 °C resulted in the formation of thermosensitive flower-like micelles. Subsequently, native chemical ligation in the core of micelles resulted in stabilization of the micelles with a Z-average of 65 nm at body temperature. Decreasing the temperature to 10 °C only affected the size of the micelles (increased to 90 nm) but hardly affected the polydispersity index (PDI) and aggregation number ( Nagg) confirming covalent stabilization of the micelles by NCL. CryoTEM images showed micelles with an uniform spherical shape and dark patches close to the corona of micelles were observed in the tomographic view. The dark patches represent more dense areas in the micelles which coincide with the higher content of HPMA-Cys/ETSA close to the PEG chain revealed by the polymerization kinetics study. Notably, this cross-linking method provides the possibility for conjugation of functional molecules either by using the thiol moieties still present after NCL or by simply adjusting the molar ratio between the polymers (resulting in excess cysteine or thioester moieties) during micelle formation. Furthermore, in vitro cell experiments demonstrated that fluorescently labeled micelles were successfully taken up by HeLa cells while cell viability remained high even at high micelle concentrations. These results demonstrate the potential of these micelles for drug delivery applications.
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Affiliation(s)
- Marzieh Najafi
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Science for Life, Faculty of Science, Utrecht
University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Neda Kordalivand
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Science for Life, Faculty of Science, Utrecht
University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Mohammad-Amin Moradi
- Laboratory
of Materials and Interface Chemistry and Centre for Multiscale Electron
Microscopy Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Joep van den Dikkenberg
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Science for Life, Faculty of Science, Utrecht
University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Remco Fokkink
- Physical
Chemistry and Soft Matter, Wageningen University
and Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands
| | - Heiner Friedrich
- Laboratory
of Materials and Interface Chemistry and Centre for Multiscale Electron
Microscopy Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Nico A. J. M. Sommerdijk
- Laboratory
of Materials and Interface Chemistry and Centre for Multiscale Electron
Microscopy Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, 5600 MB, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Eindhoven, 5600 MB, The Netherlands
| | - Mathew Hembury
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Science for Life, Faculty of Science, Utrecht
University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
| | - Tina Vermonden
- Department
of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (UIPS),
Science for Life, Faculty of Science, Utrecht
University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands
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117
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Flood DT, Hintzen JCJ, Bird MJ, Cistrone PA, Chen JS, Dawson PE. Leveraging the Knorr Pyrazole Synthesis for the Facile Generation of Thioester Surrogates for use in Native Chemical Ligation. Angew Chem Int Ed Engl 2018; 57:11634-11639. [PMID: 29908104 PMCID: PMC6126375 DOI: 10.1002/anie.201805191] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 06/14/2018] [Indexed: 12/12/2022]
Abstract
Facile synthesis of C-terminal thioesters is integral to native chemical ligation (NCL) strategies for chemical protein synthesis. We introduce a new method of mild peptide activation, which leverages solid-phase peptide synthesis (SPPS) on an established resin linker and classical heterocyclic chemistry to convert C-terminal peptide hydrazides into their corresponding thioesters via an acyl pyrazole intermediate. Peptide hydrazides, synthesized on established trityl chloride resins, can be activated in solution with stoichiometric acetyl acetone (acac), readily proceed to the peptide acyl pyrazoles. Acyl pyrazoles are mild acylating agents and are efficiently exchanged with an aryl thiol, which can then be directly utilized in NCL. The mild, chemoselective, and stoichiometric activating conditions allow this method to be utilized through multiple sequential ligations without intermediate purification steps.
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Affiliation(s)
- Dillon T. Flood
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Jordi C. J. Hintzen
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Michael J. Bird
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Philip A. Cistrone
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Jason S. Chen
- Director of the Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Philip E. Dawson
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA),
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118
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Su J. Thiol-Mediated Chemoselective Strategies for In Situ Formation of Hydrogels. Gels 2018; 4:E72. [PMID: 30674848 PMCID: PMC6209259 DOI: 10.3390/gels4030072] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/28/2018] [Accepted: 08/31/2018] [Indexed: 12/15/2022] Open
Abstract
Hydrogels are three-dimensional networks composed of hydrated polymer chains and have been a material of choice for many biomedical applications such as drug delivery, biosensing, and tissue engineering due to their unique biocompatibility, tunable physical characteristics, flexible methods of synthesis, and range of constituents. In many cases, methods for crosslinking polymer precursors to form hydrogels would benefit from being highly selective in order to avoid cross-reactivity with components of biological systems leading to adverse effects. Crosslinking reactions involving the thiol group (SH) offer unique opportunities to construct hydrogel materials of diverse properties under mild conditions. This article reviews and comments on thiol-mediated chemoselective and biocompatible strategies for crosslinking natural and synthetic macromolecules to form injectable hydrogels for applications in drug delivery and cell encapsulation.
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Affiliation(s)
- Jing Su
- Department of Chemistry, Northeastern Illinois University, Chicago, IL 60625, USA.
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119
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Flood DT, Hintzen JCJ, Bird MJ, Cistrone PA, Chen JS, Dawson PE. Leveraging the Knorr Pyrazole Synthesis for the Facile Generation of Thioester Surrogates for use in Native Chemical Ligation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805191] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dillon T. Flood
- Department of Chemistry; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Jordi C. J. Hintzen
- Department of Chemistry; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Michael J. Bird
- Department of Chemistry; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Philip A. Cistrone
- Department of Chemistry; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Jason S. Chen
- Automated Synthesis Facility; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Philip E. Dawson
- Department of Chemistry; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
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120
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121
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Spengler J, Blanco-Canosa JB, Forni L, Albericio F. One-Pot Peptide Ligation-Oxidative Cyclization Protocol for the Preparation of Short-/Medium-Size Disulfide Cyclopeptides. Org Lett 2018; 20:4306-4309. [PMID: 29953237 DOI: 10.1021/acs.orglett.8b01741] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Native chemical ligation (NCL) employing the N-methylbenzimidazolinone (MeNbz) linker readily provided the linear precursor of a 16-mer peptide that is difficult to obtain by stepwise solid-phase peptide synthesis. NCL and the workup conditions were improved toward a protocol that allows for quantitative removal of the 4-hydroxymercaptophenol additive and subsequent formation of the disulfide bridge in the NCL cocktail by oxidation in air, tolerated by the presence of tris(hydroxypropyl)phosphine.
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Affiliation(s)
- Jan Spengler
- Institute for Research in Biomedicine (IRB Barcelona) , The Barcelona Institute of Science and Technology , Barcelona 08028 , Spain.,CIBER-BBN, Networking Centre on Bioengineering , Biomaterials and Nanomedicine , Barcelona Science Park , Barcelona 08028 , Spain.,Department of Organic Chemistry , University of Barcelona , 08028 Barcelona , Spain.,Universidad Regional Amazónica Ikiam , km 7 via Muyuna , Tena , Napo , Ecuador
| | - Juan B Blanco-Canosa
- Institute for Research in Biomedicine (IRB Barcelona) , The Barcelona Institute of Science and Technology , Barcelona 08028 , Spain.,CIBER-BBN, Networking Centre on Bioengineering , Biomaterials and Nanomedicine , Barcelona Science Park , Barcelona 08028 , Spain.,Spanish National Research Council (CSIC) , Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), Department of Biological Chemistry and Molecular Modelling , Jordi Girona 18-26 , 08034 Barcelona Spain
| | | | - Fernando Albericio
- Institute for Research in Biomedicine (IRB Barcelona) , The Barcelona Institute of Science and Technology , Barcelona 08028 , Spain.,CIBER-BBN, Networking Centre on Bioengineering , Biomaterials and Nanomedicine , Barcelona Science Park , Barcelona 08028 , Spain.,Department of Organic Chemistry , University of Barcelona , 08028 Barcelona , Spain.,School of Chemistry and Physics , University of KwaZulu-Natal , University Road , Westville , Durban 4001 , South Africa
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122
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Kötzler MP, Robinson K, Chen HM, Okon M, McIntosh LP, Withers SG. Modulating the Nucleophile of a Glycoside Hydrolase through Site-Specific Incorporation of Fluoroglutamic Acids. J Am Chem Soc 2018; 140:8268-8276. [DOI: 10.1021/jacs.8b04235] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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123
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Chisholm TS, Clayton D, Dowman LJ, Sayers J, Payne RJ. Native Chemical Ligation-Photodesulfurization in Flow. J Am Chem Soc 2018; 140:9020-9024. [PMID: 29792427 DOI: 10.1021/jacs.8b03115] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Native chemical ligation (NCL) combined with desulfurization chemistry has revolutionized the way in which large polypeptides and proteins are accessed by chemical synthesis. Herein, we outline the use of flow chemistry for the ligation-based assembly of polypeptides. We also describe the development of a novel photodesulfurization transformation that, when coupled with flow NCL, enables efficient access to native polypeptides on time scales up to 2 orders of magnitude faster than current batch NCL-desulfurization methods. The power of the new ligation-photodesulfurization flow platform is showcased through the rapid synthesis of the 36 residue clinically approved HIV entry inhibitor enfuvirtide and the peptide diagnostic agent somatorelin.
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Affiliation(s)
- Timothy S Chisholm
- School of Chemistry , The University of Sydney , Sydney , NSW 2006 , Australia
| | - Daniel Clayton
- School of Chemistry , The University of Sydney , Sydney , NSW 2006 , Australia
| | - Luke J Dowman
- School of Chemistry , The University of Sydney , Sydney , NSW 2006 , Australia
| | - Jessica Sayers
- School of Chemistry , The University of Sydney , Sydney , NSW 2006 , Australia
| | - Richard J Payne
- School of Chemistry , The University of Sydney , Sydney , NSW 2006 , Australia
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124
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Harvey JA, Itzhaki LS, Main ERG. Programmed Protein Self-Assembly Driven by Genetically Encoded Intein-Mediated Native Chemical Ligation. ACS Synth Biol 2018; 7:1067-1074. [PMID: 29474065 DOI: 10.1021/acssynbio.7b00447] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Harnessing and controlling self-assembly is an important step in developing proteins as novel biomaterials. With this goal, here we report the design of a general genetically programmed system that covalently concatenates multiple distinct protein domains into specific assembled arrays. It is driven by iterative intein-mediated native chemical ligation (NCL) under mild native conditions. The system uses a series of initially inert recombinant protein fusions that sandwich the protein modules to be ligated between one of a number of different affinity tags and an intein protein domain. Orthogonal activation at opposite termini of compatible protein fusions, via protease and intein cleavage, coupled with sequential mixing directs an irreversible and traceless stepwise assembly process. This gives total control over the composition and arrangement of component proteins within the final product, enabled the limits of the system-reaction efficiency and yield-to be investigated, and led to the production of "functional" assemblies.
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Affiliation(s)
- Joseph A. Harvey
- School of Biological and Chemical Sciences Queen Mary, University of London, Mile End Road, London E1 4NS, United Kingdom
| | - Laura S. Itzhaki
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge CB2 1PD, United Kingdom
| | - Ewan R. G. Main
- School of Biological and Chemical Sciences Queen Mary, University of London, Mile End Road, London E1 4NS, United Kingdom
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125
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Naruse N, Ohkawachi K, Inokuma T, Shigenaga A, Otaka A. Resin-Bound Crypto-Thioester for Native Chemical Ligation. Org Lett 2018; 20:2449-2453. [DOI: 10.1021/acs.orglett.8b00795] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Naoto Naruse
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Kento Ohkawachi
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Tsubasa Inokuma
- Institute of Biomedical Sciences and Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima 770-8505, Japan
| | - Akira Shigenaga
- 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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126
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Brown TE, Carberry BJ, Worrell BT, Dudaryeva OY, McBride MK, Bowman CN, Anseth KS. Photopolymerized dynamic hydrogels with tunable viscoelastic properties through thioester exchange. Biomaterials 2018; 178:496-503. [PMID: 29653871 DOI: 10.1016/j.biomaterials.2018.03.060] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/14/2018] [Accepted: 03/31/2018] [Indexed: 12/17/2022]
Abstract
The extracellular matrix (ECM) constitutes a viscoelastic environment for cells. A growing body of evidence suggests that the behavior of cells cultured in naturally-derived or synthetic ECM mimics is influenced by the viscoelastic properties of these substrates. Adaptable crosslinking strategies provide a means to capture the viscoelasticity found in native soft tissues. In this work, we present a covalent adaptable hydrogel based on thioester exchange as a biomaterial for the in vitro culture of human mesenchymal stem cells. Through control of pH, gel stoichiometry, and crosslinker structure, viscoelastic properties in these crosslinked networks can be modulated across several orders of magnitude. We also propose a strategy to alter these properties in existing networks by the photo-uncaging of the catalyst 4-mercaptophenylacetic acid. Mesenchymal stem cells encapsulated in thioester hydrogels are able to elongate in 3D and display increased proliferation relative to those in static networks.
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Affiliation(s)
- Tobin E Brown
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA; The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Benjamin J Carberry
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA; The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Brady T Worrell
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Oksana Y Dudaryeva
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA; The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA
| | - Matthew K McBride
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Christopher N Bowman
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Kristi S Anseth
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80309, USA; The BioFrontiers Institute, University of Colorado Boulder, Boulder, CO 80303, USA.
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127
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Abstract
The facile rearrangement of "S-acyl isopeptides" to native peptide bonds via S,N-acyl shift is central to the success of native chemical ligation, the widely used approach for protein total synthesis. Proximity-driven amide bond formation via acyl transfer reactions in other contexts has proven generally less effective. Here, we show that under neutral aqueous conditions, "O-acyl isopeptides" derived from hydroxy-asparagine [aspartic acid-β-hydroxamic acid; Asp(β-HA)] rearrange to form native peptide bonds via an O,N-acyl shift. This process constitutes a rare example of an O,N-acyl shift that proceeds rapidly across a medium-size ring (t1/2 ∼ 15 min), and takes place in water with minimal interference from hydrolysis. In contrast to serine/threonine or tyrosine, which form O-acyl isopeptides only by the use of highly activated acyl donors and appropriate protecting groups in organic solvent, Asp(β-HA) is sufficiently reactive to form O-acyl isopeptides by treatment with an unprotected peptide-αthioester, at low mM concentration, in water. These findings were applied to an acyl transfer-based chemical ligation strategy, in which an unprotected N-terminal Asp(β-HA)-peptide and peptide-αthioester react under aqueous conditions to give a ligation product ultimately linked by a native peptide bond.
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128
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Wang Y, Han L, Yuan N, Wang H, Li H, Liu J, Chen H, Zhang Q, Dong S. Traceless β-mercaptan-assisted activation of valinyl benzimidazolinones in peptide ligations. Chem Sci 2018; 9:1940-1946. [PMID: 29675240 PMCID: PMC5892131 DOI: 10.1039/c7sc04148a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 01/04/2018] [Indexed: 12/27/2022] Open
Abstract
Peptidyl thioesters or their surrogates with C-terminal β-branched hydrophobic amino acid residues usually exhibit poor reactivities in ligation reactions. Thus, activation using exogenous additives is required to ensure an acceptable reaction efficiency. Herein, we report a traceless ligation at Val-Xaa sites under mild thiol additive-free reaction conditions, whereby the introduction of β-mercaptan on the C-terminal valine residue effectively activates the otherwise unreactive N-acyl-benzimidazolinone (Nbz), and enables the use of a one-pot ligation-desulfurization strategy to generate the desired peptide products. The orthogonality between β-thiovaline-Nbz and a conventional alkyl thioester, as well as the convenient access to the former from readily available penicillamine, also allowed expedited assembly of the peptidic hormone β-LPH and hPTH analogues, based on a kinetically controlled one-pot three-segment ligation and desulfurization strategy.
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Affiliation(s)
- Yinglu Wang
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Lin Han
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Ning Yuan
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Hanxuan Wang
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Hongxing Li
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Jinrong Liu
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
| | - Huan Chen
- Department of Chemistry , University at Albany , Albany , New York 12222 , USA .
| | - Qiang Zhang
- Department of Chemistry , University at Albany , Albany , New York 12222 , USA .
| | - Suwei Dong
- State Key Laboratory of Natural and Biomimetic Drugs , Department of Chemical Biology , School of Pharmaceutical Sciences , Peking University , Beijing 100191 , China .
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129
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Chen N, Liu J, Qiao Z, Liu Y, Yang Y, Jiang C, Wang X, Wang C. Chemical proteomic profiling of protein N-homocysteinylation with a thioester probe. Chem Sci 2018; 9:2826-2830. [PMID: 29732068 PMCID: PMC5914431 DOI: 10.1039/c8sc00221e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 02/13/2018] [Indexed: 12/20/2022] Open
Abstract
Hyperhomocysteinemia (HHcy) refers to a medical condition of abnormally high level of homocysteine (Hcy) in blood (>15 μmol L-1) and has been clinically implicated with cardiovascular diseases and neurodegenerative disorders. Excessive Hcy can be converted to a reactive thioester intermediate, Hcy thiolactone (HTL), which selectively reacts with protein lysine residues ("N-homocysteinylation") and this non-enzymatic modification largely contributes to manifestations of HHcy. However, the proteome-wide detection of protein N-homocysteinylation remains a challenge to date. In this work, we report a chemoselective reaction to label and enrich N-homocysteinylation from complex proteome samples as inspired by native chemical ligation for protein synthesis. Alkynyl thioester probes are synthesized and the reaction is validated with small molecule and purified protein models successfully. We performed quantitative chemical proteomics to identify more than 800 N-homocysteinylated proteins as well as 304 N-homocysteinylated sites directly from HTL-treated HeLa cells. The chemical proteomics strategies will facilitate functional study of protein N-homocysteinylations in the HHcy-implicated diseases.
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Affiliation(s)
- Nan Chen
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Jinmin Liu
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Zeyu Qiao
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Yuan Liu
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China .
| | - Yue Yang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Changtao Jiang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Xian Wang
- Department of Physiology and Pathophysiology , School of Basic Medical Sciences , Peking University , Beijing , 100191 , China
| | - Chu Wang
- Synthetic and Functional Biomolecules Center , Beijing National Laboratory for Molecular Sciences , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry and Molecular Engineering , Peking University , Beijing , 100871 , China . .,Peking-Tsinghua Center for Life Sciences , Peking University , Beijing , 100871 , China
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130
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Pira SL, El Mahdi O, Raibaut L, Drobecq H, Dheur J, Boll E, Melnyk O. Insight into the SEA amide thioester equilibrium. Application to the synthesis of thioesters at neutral pH. Org Biomol Chem 2018; 14:7211-6. [PMID: 27282651 DOI: 10.1039/c6ob01079b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The bis(2-sulfanylethyl)amide (SEA) N,S-acyl shift thioester surrogate has found a variety of useful applications in the field of protein total synthesis. Here we present novel insights into the SEA amide/thioester equilibrium in water which is an essential step in any reaction involving the thioester surrogate properties of the SEA group. We also show that the SEA amide thioester equilibrium can be efficiently displaced at neutral pH for accessing peptide alkylthioesters, i.e. the key components of the native chemical ligation (NCL) reaction.
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Affiliation(s)
- S L Pira
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
| | - O El Mahdi
- Université Sidi Mohamed Ben Abdellah, Morocco
| | - L Raibaut
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
| | - H Drobecq
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
| | - J Dheur
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
| | - E Boll
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
| | - O Melnyk
- Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T - Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France.
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131
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Abstract
Inspired by the uniqueness and ubiquity of thioesters in nature, much attention has been paid to thioester functionalized materials, yielding applications ranging from responsive polymers to bioconjugates and (bio)degradable polymers.
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Affiliation(s)
- Suzan Aksakal
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - Resat Aksakal
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - C. Remzi Becer
- Polymer Chemistry Laboratories
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
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132
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Conibear AC, Watson EE, Payne RJ, Becker CFW. Native chemical ligation in protein synthesis and semi-synthesis. Chem Soc Rev 2018; 47:9046-9068. [DOI: 10.1039/c8cs00573g] [Citation(s) in RCA: 178] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Combining modern synthetic and molecular biology toolkits, native chemical ligation and expressed protein ligation enables robust access to modified proteins.
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Affiliation(s)
- Anne C. Conibear
- Faculty of Chemistry
- Institute of Biological Chemistry
- University of Vienna
- Vienna
- Austria
| | - Emma E. Watson
- School of Chemistry
- The University of Sydney
- Sydney
- Australia
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133
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Kamo N, Hayashi G, Okamoto A. Efficient peptide ligation between allyl-protected Asp and Cys followed by palladium-mediated deprotection. Chem Commun (Camb) 2018; 54:4337-4340. [DOI: 10.1039/c8cc01965g] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Difficult peptide ligation between Asp and Cys and subsequent deprotection proceeded in one pot by adding a small amount of Pd/TPPTS complex.
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Affiliation(s)
- Naoki Kamo
- Department of Chemistry and Biotechnology
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Gosuke Hayashi
- Department of Chemistry and Biotechnology
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Akimitsu Okamoto
- Department of Chemistry and Biotechnology
- The University of Tokyo
- Tokyo 113-8656
- Japan
- Research Center for Advanced Science and Technology
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134
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Arbour CA, Kondasinghe TD, Saraha HY, Vorlicek TL, Stockdill JL. Epimerization-free access to C-terminal cysteine peptide acids, carboxamides, secondary amides, and esters via complimentary strategies. Chem Sci 2017; 9:350-355. [PMID: 29629104 PMCID: PMC5868297 DOI: 10.1039/c7sc03553e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 11/07/2017] [Indexed: 01/03/2023] Open
Abstract
We present a convenient method for the diversification of peptides bearing cysteine at the C-terminus that proceeds to form a variety of carboxylic acid, carboxamide, 2° amide, and ester terminated peptides without any detectable epimerization of the α-stereocenter.
C-Terminal cysteine peptide acids are difficult to access without epimerization of the cysteine α-stereocenter. Diversification of the C-terminus after solid-phase peptide synthesis poses an even greater challenge because of the proclivity of the cysteine α-stereocenter to undergo deprotonation upon activation of the C-terminal carboxylic acid. We present herein two general strategies to access C-terminal cysteine peptide derivatives without detectable epimerization, diketopiperazine formation, or piperidinylalanine side products.
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Affiliation(s)
- Christine A Arbour
- Wayne State University , Department of Chemistry , Detroit , MI , USA 48202 .
| | | | - Hasina Y Saraha
- Wayne State University , Department of Chemistry , Detroit , MI , USA 48202 .
| | - Teanna L Vorlicek
- Wayne State University , Department of Chemistry , Detroit , MI , USA 48202 .
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135
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Gallagher C, Burlina F, Offer J, Ramos A. A method for the unbiased and efficient segmental labelling of RNA-binding proteins for structure and biophysics. Sci Rep 2017; 7:14083. [PMID: 29074846 PMCID: PMC5658380 DOI: 10.1038/s41598-017-13950-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 10/03/2017] [Indexed: 01/05/2023] Open
Abstract
Most eukaryotic RNA regulators recognise their RNA and protein partners by the combinatorial use of several RNA binding domains. Inter-domain dynamics and interactions play a key role in recognition and can be analysed by techniques such as NMR or FRET, provided that the information relative to the individual interactions can be de-convoluted. Segmentally labelling the proteins by ligating labelled and unlabelled peptide chains allows one to filter out unwanted information and observe the labelled moieties only. Several strategies have been implemented to ligate two protein fragments, but multiple ligations, which are necessary to segmentally label proteins of more than two domains, are more challenging and often dependent on the structure and solubility of the domains. Here we report a method to ligate multiple protein segments that allows the fast, high yield labelling of both internal and end domains, depending on the requirements. We use TCEP and mercaptophenylacetic acid (MPAA) in an optimised reaction environment to achieve an efficient ligation of protein domains independently from their structure or solubility. We expect the method will provide a useful tool for the molecular study of combinatorial protein–RNA recognition in RNA regulation.
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Affiliation(s)
- Christopher Gallagher
- Institute of Structural and Molecular Biology, University College London, London, WC1E 6XA, UK.,The Francis Crick Institute, London, NW1 1AT, UK
| | - Fabienne Burlina
- Sorbonne Universités, UPMC Univ. Paris 06, École Normale Supérieure, PSL Research University, CNRS, Laboratoire des Biomolécules (LBM), 4 place Jussieu, Paris, 75005, France
| | - John Offer
- The Francis Crick Institute, London, NW1 1AT, UK.
| | - Andres Ramos
- Institute of Structural and Molecular Biology, University College London, London, WC1E 6XA, UK. .,The Francis Crick Institute, London, NW1 1AT, UK.
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136
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Chen ESW, Weng JH, Chen YH, Wang SC, Liu XX, Huang WC, Matsui T, Kawano Y, Liao JH, Lim LH, Bessho Y, Huang KF, Wu WJ, Tsai MD. Phospho-Priming Confers Functionally Relevant Specificities for Rad53 Kinase Autophosphorylation. Biochemistry 2017; 56:5112-5124. [PMID: 28858528 DOI: 10.1021/acs.biochem.7b00689] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The vast majority of in vitro structural and functional studies of the activation mechanism of protein kinases use the kinase domain alone. Well-demonstrated effects of regulatory domains or allosteric factors are scarce for serine/threonine kinases. Here we use a site-specifically phosphorylated SCD1-FHA1-kinase three-domain construct of the serine/threonine kinase Rad53 to show the effect of phospho-priming, an in vivo regulatory mechanism, on the autophosphorylation intermediate and specificity. Unphosphorylated Rad53 is a flexible monomer in solution but is captured in an asymmetric enzyme:substrate complex in crystal with the two FHA domains separated from each other. Phospho-priming induces formation of a stable dimer via intermolecular pT-FHA binding in solution. Importantly, autophosphorylation of unprimed and phospho-primed Rad53 produced predominantly inactive pS350-Rad53 and active pT354-Rad53, respectively. The latter mechanism was also demonstrated in vivo. Our results show that, while Rad53 can display active conformations under various conditions, simulation of in vivo regulatory conditions confers functionally relevant autophosphorylation.
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Affiliation(s)
- Eric Sheng-Wen Chen
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan.,Institute of Biochemical Sciences, National Taiwan University , Taipei 106, Taiwan
| | - Jui-Hung Weng
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan.,Institute of Biochemical Sciences, Department of Chemistry, National Tsing Hua University , Hsinchu 300, Taiwan
| | - Yu-Hou Chen
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Shun-Chang Wang
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Xiao-Xia Liu
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Wei-Cheng Huang
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Tsutomu Matsui
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Stanford University , Menlo Park, California 94025, United States
| | - Yoshiaki Kawano
- RIKEN SPring-8 Center , 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
| | - Jiahn-Haur Liao
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Liang-Hin Lim
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan.,Institute of Biochemical Sciences, National Taiwan University , Taipei 106, Taiwan
| | - Yoshitaka Bessho
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Kai-Fa Huang
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Wen-Jin Wu
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Ming-Daw Tsai
- Institute of Biological Chemistry, Academia Sinica , Taipei 115, Taiwan.,Institute of Biochemical Sciences, National Taiwan University , Taipei 106, Taiwan
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137
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Arbour CA, Saraha HY, McMillan TF, Stockdill JL. Exploiting the MeDbz Linker To Generate Protected or Unprotected C-Terminally Modified Peptides. Chemistry 2017; 23:12484-12488. [PMID: 28741313 PMCID: PMC5674808 DOI: 10.1002/chem.201703380] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Indexed: 12/15/2022]
Abstract
C-terminally modified peptides are important targets for pharmaceutical and biochemical applications. Known methods for C-terminal diversification are limited mainly in terms of the scope of accessible modifications or by epimerization of the C-terminal amino acid. In this work, we present a broadly applicable approach that enables access to a variety of C-terminally functionalized peptides in either protected or unprotected form. This chemistry proceeds without epimerization of C-terminal Ala and tolerates nucleophiles of varying nucleophilicity. Finally, unprotected peptides bearing nucleophilic side chain groups can be selectively functionalized by strong nucleophiles, whereas macrocyclization is observed for weaker nucleophiles. The potential utility of this method is demonstrated through the divergent synthesis of the conotoxin conopressin G and GLP-1(7-36) and analogs.
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Affiliation(s)
- Christine A Arbour
- Department of Chemistry, Wayne State University, Detroit, MI, 48202, USA
| | - Hasina Y Saraha
- Department of Chemistry, Wayne State University, Detroit, MI, 48202, USA
| | - Timothy F McMillan
- Department of Chemistry, Wayne State University, Detroit, MI, 48202, USA
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138
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Wu H, Handoko, Raj M, Arora PS. Iterative Design of a Biomimetic Catalyst for Amino Acid Thioester Condensation. Org Lett 2017; 19:5122-5125. [DOI: 10.1021/acs.orglett.7b02412] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Huabin Wu
- Department of Chemistry, New York University, 100 Washington Square East, New York, New York 10003, United States
| | - Handoko
- Department of Chemistry, New York University, 100 Washington Square East, New York, New York 10003, United States
| | - Monika Raj
- Department of Chemistry, New York University, 100 Washington Square East, New York, New York 10003, United States
| | - Paramjit S. Arora
- Department of Chemistry, New York University, 100 Washington Square East, New York, New York 10003, United States
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139
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Kent S. Chemical protein synthesis: Inventing synthetic methods to decipher how proteins work. Bioorg Med Chem 2017; 25:4926-4937. [DOI: 10.1016/j.bmc.2017.06.020] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 06/07/2017] [Accepted: 06/13/2017] [Indexed: 12/15/2022]
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140
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Yan B, Ye L, Xu W, Liu L. Recent advances in racemic protein crystallography. Bioorg Med Chem 2017; 25:4953-4965. [DOI: 10.1016/j.bmc.2017.05.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 05/03/2017] [Accepted: 05/09/2017] [Indexed: 10/19/2022]
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141
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Dardashti RN, Metanis N. Revisiting ligation at selenomethionine: Insights into native chemical ligation at selenocysteine and homoselenocysteine. Bioorg Med Chem 2017; 25:4983-4989. [DOI: 10.1016/j.bmc.2017.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 04/30/2017] [Accepted: 05/04/2017] [Indexed: 10/19/2022]
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142
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Sueoka T, Hayashi G, Okamoto A. Regulation of the Stability of the Histone H2A–H2B Dimer by H2A Tyr57 Phosphorylation. Biochemistry 2017; 56:4767-4772. [DOI: 10.1021/acs.biochem.7b00504] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Takuma Sueoka
- Department
of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Gosuke Hayashi
- Department
of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Akimitsu Okamoto
- Department
of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Research
Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan
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143
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Jiang YY, Zhu L, Liang Y, Man X, Bi S. Mechanism of Amide Bond Formation from Carboxylic Acids and Amines Promoted by 9-Silafluorenyl Dichloride Derivatives. J Org Chem 2017; 82:9087-9096. [DOI: 10.1021/acs.joc.7b01637] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yuan-Ye Jiang
- School of Chemistry and Chemical
Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Ling Zhu
- School of Chemistry and Chemical
Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Yujie Liang
- School of Chemistry and Chemical
Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Xiaoping Man
- School of Chemistry and Chemical
Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Siwei Bi
- School of Chemistry and Chemical
Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
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144
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Henninot A, Collins JC, Nuss JM. The Current State of Peptide Drug Discovery: Back to the Future? J Med Chem 2017; 61:1382-1414. [PMID: 28737935 DOI: 10.1021/acs.jmedchem.7b00318] [Citation(s) in RCA: 633] [Impact Index Per Article: 90.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Over the past decade, peptide drug discovery has experienced a revival of interest and scientific momentum, as the pharmaceutical industry has come to appreciate the role that peptide therapeutics can play in addressing unmet medical needs and how this class of compounds can be an excellent complement or even preferable alternative to small molecule and biological therapeutics. In this Perspective, we give a concise description of the recent progress in peptide drug discovery in a holistic manner, highlighting enabling technological advances affecting nearly every aspect of this field: from lead discovery, to synthesis and optimization, to peptide drug delivery. An emphasis is placed on describing research efforts to overcome the inherent weaknesses of peptide drugs, in particular their poor pharmacokinetic properties, and how these efforts have been critical to the discovery, design, and subsequent development of novel therapeutics.
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Affiliation(s)
- Antoine Henninot
- Ferring Research Institute , 4245 Sorrento Valley Boulevard, San Diego, California 92121, United States
| | - James C Collins
- Ferring Research Institute , 4245 Sorrento Valley Boulevard, San Diego, California 92121, United States
| | - John M Nuss
- Ferring Research Institute , 4245 Sorrento Valley Boulevard, San Diego, California 92121, United States
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145
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Izumi M, Kuruma R, Okamoto R, Seko A, Ito Y, Kajihara Y. Substrate Recognition of Glycoprotein Folding Sensor UGGT Analyzed by Site-Specifically 15N-Labeled Glycopeptide and Small Glycopeptide Library Prepared by Parallel Native Chemical Ligation. J Am Chem Soc 2017; 139:11421-11426. [DOI: 10.1021/jacs.7b03277] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Masayuki Izumi
- Department
of Chemistry, Graduate School of Science, Osaka University, 1-1
Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Rie Kuruma
- Department
of Chemistry, Graduate School of Science, Osaka University, 1-1
Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Ryo Okamoto
- Department
of Chemistry, Graduate School of Science, Osaka University, 1-1
Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Akira Seko
- ERATO
Ito glycotrilogy project, Japan Science and Technology Agency (JST), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yukishige Ito
- ERATO
Ito glycotrilogy project, Japan Science and Technology Agency (JST), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Synthetic
Cellular Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yasuhiro Kajihara
- Department
of Chemistry, Graduate School of Science, Osaka University, 1-1
Machikaneyama, Toyonaka, Osaka 560-0043, Japan
- ERATO
Ito glycotrilogy project, Japan Science and Technology Agency (JST), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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146
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Jiang YY, Zhu L, Man X, Liang Y, Bi S. Mechanism of trifluoroacetic-acid-promoted N-to-S acyl transfer of enamides. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.05.099] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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147
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Bajaj K, Sakhuja R. Aziridine-Mediated Ligation at Phenylalanine and Tryptophan Sites. Chem Asian J 2017; 12:1869-1874. [DOI: 10.1002/asia.201700538] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 05/08/2017] [Indexed: 01/27/2023]
Affiliation(s)
- Kiran Bajaj
- Department of Chemistry; Birla Institute of Technology and Sciences; Pilani 333031 India
| | - Rajeev Sakhuja
- Department of Chemistry; Birla Institute of Technology and Sciences; Pilani 333031 India
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148
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149
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Katayama H, Morisue S. A novel ring opening reaction of peptide N-terminal thiazolidine with 2,2′-dipyridyl disulfide (DPDS) efficient for protein chemical synthesis. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.05.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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150
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Burke HM, McSweeney L, Scanlan EM. Exploring chemoselective S-to-N acyl transfer reactions in synthesis and chemical biology. Nat Commun 2017; 8:15655. [PMID: 28537277 PMCID: PMC5458133 DOI: 10.1038/ncomms15655] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 04/13/2017] [Indexed: 12/16/2022] Open
Abstract
S -to-N acyl transfer is a high-yielding chemoselective process for amide bond formation. It is widely utilized by chemists for synthetic applications, including peptide and protein synthesis, chemical modification of proteins, protein-protein ligation and the development of probes and molecular machines. Recent advances in our understanding of S -to-N acyl transfer processes in biology and innovations in methodology for thioester formation and desulfurization, together with an extension of the size of cyclic transition states, have expanded the boundaries of this process well beyond peptide ligation. As the field develops, this chemistry will play a central role in our molecular understanding of Biology. The conversion of thioesters to amides via acyl transfer has become one of the most important synthetic techniques for the chemical synthesis and modification of proteins. This review discusses this S-to-N acyl transfer process, and highlights some of the key applications across chemistry and biology.
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Affiliation(s)
- Helen M. Burke
- School of Chemistry, Trinity College Dublin, Dublin D2, Ireland
| | | | - Eoin M. Scanlan
- School of Chemistry, Trinity College Dublin, Dublin D2, Ireland
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