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Tanaka S, Narumi T, Mase N, Sato K. Hydrazide-Mediated Solubilizing Strategy for Poorly Soluble Peptides Using a Dialkoxybenzaldehyde Linker. Chem Pharm Bull (Tokyo) 2022; 70:707-715. [PMID: 36184453 DOI: 10.1248/cpb.c22-00501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Proteins modified in a controlled manner with artificial moieties such as fluorophores or affinity tags have been shown to be a powerful tool for functional or structural analysis of proteins. A reliable way to prepare proteins with a well-defined modification is protein synthesis. Although many successful syntheses have been reported, the poor aqueous solubility of synthetic intermediates causes difficulty in the chemical synthesis of proteins. Here we describe a solubilizing strategy for poorly soluble peptides which uses chemoselective incorporation of a hydrophilic tag onto a hydrazide in a peptide. We found that a hydrophilic tag possessing a dialkoxybenzaldehyde moiety can react with peptide hydrazides through reductive N-alkylation. No protecting groups are required for this reaction, and peptides modified in this way show enhanced solubility and consequently good peak separation during HPLC purification. The tag can be removed subsequently by treatment with trifluoroacetic acid to generate a free hydrazide, which can be converted in a one-pot reaction to a thioester for further modification. This method was validated by synthesis of a Lys63-linked ubiquitin dimer derivative. This late-stage solubilization can be applied in principal to any peptide and opens the possibility of the synthesis of proteins that have previously been considered inaccessible due to their poor solubility.
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Affiliation(s)
- Shoko Tanaka
- Graduate School of Science and Technology, Shizuoka University
| | - Tetsuo Narumi
- Graduate School of Science and Technology, Shizuoka University.,Department of Applied Chemistry and Biochemical Engineering, Faculty of Engineering, Shizuoka University.,Research Institute of Green Science and Technology, Shizuoka University
| | - Nobuyuki Mase
- Graduate School of Science and Technology, Shizuoka University.,Department of Applied Chemistry and Biochemical Engineering, Faculty of Engineering, Shizuoka University.,Research Institute of Green Science and Technology, Shizuoka University
| | - Kohei Sato
- Graduate School of Science and Technology, Shizuoka University.,Department of Applied Chemistry and Biochemical Engineering, Faculty of Engineering, Shizuoka University.,Research Institute of Green Science and Technology, Shizuoka University
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2
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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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3
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Abboud SA, Cisse EH, Doudeau M, Bénédetti H, Aucagne V. A straightforward methodology to overcome solubility challenges for N-terminal cysteinyl peptide segments used in native chemical ligation. Chem Sci 2021; 12:3194-3201. [PMID: 34164087 PMCID: PMC8179351 DOI: 10.1039/d0sc06001a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 01/10/2021] [Indexed: 02/06/2023] Open
Abstract
One of the main limitations encountered during the chemical synthesis of proteins through native chemical ligation (NCL) is the limited solubility of some of the peptide segments. The most commonly used solution to overcome this problem is to derivatize the segment with a temporary solubilizing tag. Conveniently, the tag can be introduced on the thioester segment in such a way that it is removed concomitantly with the NCL reaction. We herein describe a generalization of this approach to N-terminal cysteinyl segment counterparts, using a straightforward synthetic approach that can be easily automated from commercially available building blocks, and applied it to a well-known problematic target, SUMO-2.
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Affiliation(s)
- Skander A Abboud
- Centre de Biophysique Moléculaire, CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France
| | - El Hadji Cisse
- Centre de Biophysique Moléculaire, CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France
| | - Michel Doudeau
- Centre de Biophysique Moléculaire, CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France
| | - Hélène Bénédetti
- Centre de Biophysique Moléculaire, CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France
| | - Vincent Aucagne
- Centre de Biophysique Moléculaire, CNRS UPR 4301 Rue Charles Sadron 45071 Orléans Cedex 2 France
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4
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Tan Y, Wu H, Wei T, Li X. Chemical Protein Synthesis: Advances, Challenges, and Outlooks. J Am Chem Soc 2020; 142:20288-20298. [PMID: 33211477 DOI: 10.1021/jacs.0c09664] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Contemporary chemical protein synthesis has been dramatically advanced over the past few decades, which has enabled chemists to reach the landscape of synthetic biomacromolecules. Chemical synthesis can produce synthetic proteins with precisely controlled structures which are difficult or impossible to obtain via gene expression systems. Herein, we summarize the key enabling ligation technologies, major strategic developments, and some selected representative applications of synthetic proteins and provide an outlook for future development.
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Affiliation(s)
- Yi Tan
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, P. R. China SAR
| | - Hongxiang Wu
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, P. R. China SAR
| | - Tongyao Wei
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, P. R. China SAR
| | - Xuechen Li
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong, P. R. China SAR
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5
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Mueller LK, Baumruck AC, Zhdanova H, Tietze AA. Challenges and Perspectives in Chemical Synthesis of Highly Hydrophobic Peptides. Front Bioeng Biotechnol 2020; 8:162. [PMID: 32195241 PMCID: PMC7064641 DOI: 10.3389/fbioe.2020.00162] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/18/2020] [Indexed: 12/31/2022] Open
Abstract
Solid phase peptide synthesis (SPPS) provides the possibility to chemically synthesize peptides and proteins. Applying the method on hydrophilic structures is usually without major drawbacks but faces extreme complications when it comes to "difficult sequences." These includes the vitally important, ubiquitously present and structurally demanding membrane proteins and their functional parts, such as ion channels, G-protein receptors, and other pore-forming structures. Standard synthetic and ligation protocols are not enough for a successful synthesis of these challenging sequences. In this review we highlight, summarize and evaluate the possibilities for synthetic production of "difficult sequences" by SPPS, native chemical ligation (NCL) and follow-up protocols.
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Affiliation(s)
- Lena K. Mueller
- Clemens-Schöpf Institute of Organic Chemistry and Biochemistry, Darmstadt University of Technology, Darmstadt, Germany
| | - Andreas C. Baumruck
- Clemens-Schöpf Institute of Organic Chemistry and Biochemistry, Darmstadt University of Technology, Darmstadt, Germany
| | - Hanna Zhdanova
- Department of Chemistry and Molecular Biology, Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Alesia A. Tietze
- Department of Chemistry and Molecular Biology, Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden
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6
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Fulcher JM, Petersen ME, Giesler RJ, Cruz ZS, Eckert DM, Francis JN, Kawamoto EM, Jacobsen MT, Kay MS. Chemical synthesis of Shiga toxin subunit B using a next-generation traceless "helping hand" solubilizing tag. Org Biomol Chem 2019; 17:10237-10244. [PMID: 31793605 DOI: 10.1039/c9ob02012h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The application of solid-phase peptide synthesis and native chemical ligation in chemical protein synthesis (CPS) has enabled access to synthetic proteins that cannot be produced recombinantly, such as site-specific post-translationally modified or mirror-image proteins (D-proteins). However, CPS is commonly hampered by aggregation and insolubility of peptide segments and assembly intermediates. Installation of a solubilizing tag consisting of basic Lys or Arg amino acids can overcome these issues. Through the introduction of a traceless cleavable linker, the solubilizing tag can be selectively removed to generate native peptide. Here we describe the synthesis of a next-generation amine-reactive linker N-Fmoc-2-(7-amino-1-hydroxyheptylidene)-5,5-dimethylcyclohexane-1,3-dione (Fmoc-Ddap-OH) that can be used to selectively introduce semi-permanent solubilizing tags ("helping hands") onto Lys side chains of difficult peptides. This linker has improved stability compared to its predecessor, a property that can increase yields for multi-step syntheses with longer handling times. We also introduce a new linker cleavage protocol using hydroxylamine that greatly accelerates removal of the linker. The utility of this linker in CPS was demonstrated by the preparation of the synthetically challenging Shiga toxin subunit B (StxB) protein. This robust and easy-to-use linker is a valuable addition to the CPS toolbox for the production of challenging synthetic proteins.
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Affiliation(s)
- James M Fulcher
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
| | - Mark E Petersen
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
| | - Riley J Giesler
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
| | - Zachary S Cruz
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
| | - Debra M Eckert
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
| | | | | | - Michael T Jacobsen
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA. and Navigen, Inc., Salt Lake City, UT, USA
| | - Michael S Kay
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT, USA.
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7
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Yoshiya T, Tsuda S, Masuda S. Development of Trityl Group Anchored Solubilizing Tags for Peptide and Protein Synthesis. Chembiochem 2019; 20:1906-1913. [DOI: 10.1002/cbic.201900105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Taku Yoshiya
- Peptide Institute, Inc. 7-2-9 Saito-Asagi Ibaraki-Shi Osaka 567-0085 Japan
| | - Shugo Tsuda
- Peptide Institute, Inc. 7-2-9 Saito-Asagi Ibaraki-Shi Osaka 567-0085 Japan
| | - Shun Masuda
- Peptide Institute, Inc. 7-2-9 Saito-Asagi Ibaraki-Shi Osaka 567-0085 Japan
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8
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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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9
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Abstract
The translation of biological glycosylation in humans to the clinical applications involves systematic studies using homogeneous samples of oligosaccharides and glycoconjugates, which could be accessed by chemical, enzymatic or other biological methods. However, the structural complexity and wide-range variations of glycans and their conjugates represent a major challenge in the synthesis of this class of biomolecules. To help navigate within many methods of oligosaccharide synthesis, this Perspective offers a critical assessment of the most promising synthetic strategies with an eye on the therapeutically relevant targets.
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Affiliation(s)
- Larissa Krasnova
- Department of Chemistry , The Scripps Research Institute , 10550 N. Torrey Pines Road , La Jolla , California 92037 , United States
| | - Chi-Huey Wong
- Department of Chemistry , The Scripps Research Institute , 10550 N. Torrey Pines Road , La Jolla , California 92037 , United States.,Genomics Research Center, Academia Sinica , Taipei 115 , Taiwan
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