1
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Ma S, Gao J, Tian Y, Wen L. Recent progress in chemoenzymatic synthesis of human glycans. Org Biomol Chem 2024. [PMID: 39246045 DOI: 10.1039/d4ob01006j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Glycan is an essential cell component that usually exists in either a free form or a glycoconjugated form. Glycosylation affects the regulatory function of glycoconjugates in health and disease development, indicating the key role of glycan in organisms. Because of the complexity and diversity of glycan structures, it is challenging to prepare structurally well-defined glycans, which hinders the investigation of biological functions at the molecular level. Chemoenzymatic synthesis is an attractive approach for preparing complex glycans, because it avoids tedious protecting group manipulations in chemical synthesis and ensures high regio- and stereo-selectivity of glucosides during glycan assembly. Herein, enzymes, such as glycosyltransferases (GTs) and glycosidases (GHs), and sugar donors involved in the chemoenzymatic synthesis of human glycans are initially discussed. Many state-of-the-art chemoenzymatic methodologies are subsequently displayed and summarized to illustrate the development of synthetic human glycans, for example, N- and O-linked glycans, human milk oligosaccharides, and glycosaminoglycans. Thus, we provide an overview of recent chemoenzymatic synthetic designs and applications for synthesizing complex human glycans, along with insights into the limitations and perspectives of the current methods.
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Affiliation(s)
- Shengzhou Ma
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinhua Gao
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Yinping Tian
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Liuqing Wen
- Carbohydrate-Based Drug Research Center, State Key Laboratory of Chemical Biology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
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2
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Liu Y, Yang T, Rong J, Yuan J, Man L, Wei M, Fan J, Lan Y, Liu Y, Gong G, Lu Y, Song X, Wang Z, Huang L. Integrated analysis of natural glycans using a versatile pyrazolone-type heterobifunctional tag ANPMP. Carbohydr Polym 2024; 327:121617. [PMID: 38171699 DOI: 10.1016/j.carbpol.2023.121617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/23/2023] [Accepted: 11/18/2023] [Indexed: 01/05/2024]
Abstract
Glycans mediate various biological processes through carbohydrate-protein interactions, and glycan microarrays have become indispensable tools for understanding these mechanisms. However, advances in functional glycomics are hindered by the absence of convenient and universal methods for obtaining natural glycan libraries with diverse structures from glycoconjugates. To address this challenge, we have developed an integrative approach that enables one-pot release and simultaneously capture, separation, structural characterization, and functional analysis of N/O-glycans. Using this approach, glycoconjugates are incubated with a pyrazolone-type heterobifunctional tag-ANPMP to obtain glycan-2ANPMP conjugates, which are then converted to glycan-AEPMP conjugates. We prepared a tagged glycan library from porcine gastric mucin, soy protein, human milk oligosaccharides, etc. Following derivatization by N-acetylation and permethylation, glycans were subjected to detailed structural characterization by ESI-MSn analysis, which revealed >83 highly pure glycan-AEPMPs containing various natural glycan epitopes. A shotgun microarray is constructed to study the fine details of glycan-bindings by proteins and antisera.
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Affiliation(s)
- Yuxia Liu
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Tong Yang
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Jinqiao Rong
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Jinhang Yuan
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Lijuan Man
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Ming Wei
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Jiangbo Fan
- Department of Obstetrics & Gynecology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710004, PR China
| | - Yao Lan
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Yinchuan Liu
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Guiping Gong
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Yu Lu
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China
| | - Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA 30322, United States
| | - Zhongfu Wang
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China.
| | - Linjuan Huang
- Key Laboratory of Glycobiology and Glycoengineering of Xi'an, College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, PR China.
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3
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Hu ZF, Zhong K, Cao H. Recent advances in enzymatic and chemoenzymatic synthesis of N- and O-glycans. Curr Opin Chem Biol 2024; 78:102417. [PMID: 38141531 DOI: 10.1016/j.cbpa.2023.102417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/25/2023]
Abstract
Glycosylation is one of the most common post-translational modifications of proteins, which plays essential roles in regulating the biological functions of proteins. Efficient and versatile methods for the synthesis of homogeneous and well-defined N- and O-glycans remain an urgent need for biological studies and biomedical applications. Despite their structural complexity, tremendous progress has been made in the synthesis of N- and O-glycans in recent years. This review discusses some recent advances in the enzymatic and chemoenzymatic synthesis of N- and O-glycans.
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Affiliation(s)
- Zhi-Fei Hu
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China; Laboratory for Marine Drugs and Bioproducts, Laoshan Laboratory, Qingdao, Shandong, 266237, China
| | - Kan Zhong
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China; Laboratory for Marine Drugs and Bioproducts, Laoshan Laboratory, Qingdao, Shandong, 266237, China
| | - Hongzhi Cao
- Key Laboratory of Marine Drugs of Ministry of Education, Shandong Key Laboratory of Glycoscience and Glycotechnology, School of Medicine and Pharmacy, Ocean University of China, Qingdao, Shandong, 266003, China; Laboratory for Marine Drugs and Bioproducts, Laoshan Laboratory, Qingdao, Shandong, 266237, China.
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4
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Cao X, Wang S, Gadi MR, Liu D, Wang PG, Wan XF, Zhang J, Chen X, Pepi LE, Azadi P, Li L. Systematic synthesis of bisected N-glycans and unique recognitions by glycan-binding proteins. Chem Sci 2022; 13:7644-7656. [PMID: 35872821 PMCID: PMC9241959 DOI: 10.1039/d1sc05435j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 05/29/2022] [Indexed: 12/13/2022] Open
Abstract
Bisected N-glycans represent a unique class of protein N-glycans that play critical roles in many biological processes. Herein, we describe the systematic synthesis of these structures. A bisected N-glycan hexasaccharide was chemically assembled with two orthogonal protecting groups attached at the C2 of the branching mannose residues, followed by sequential installation of GlcNAc and LacNAc building blocks to afford two asymmetric bisecting "cores". Subsequent enzymatic modular extension of the "cores" yielded a comprehensive library of biantennary N-glycans containing the bisecting GlcNAc and presenting 6 common glycan determinants in a combinatorial fashion. These bisected N-glycans and their non-bisected counterparts were used to construct a distinctive glycan microarray to study their recognition by a wide variety of glycan-binding proteins (GBPs), including plant lectins, animal lectins, and influenza A virus hemagglutinins. Significantly, the bisecting GlcNAc could bestow (PHA-L, rDCIR2), enhance (PHA-E), or abolish (ConA, GNL, anti-CD15s antibody, etc.) N-glycan recognition of specific GBPs, and is tolerated by many others. In summary, synthesized compounds and the unique glycan microarray provide ideal standards and tools for glycoanalysis and functional glycomic studies. The microarray data provide new information regarding the fine details of N-glycan recognition by GBPs, and in turn improve their applications.
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Affiliation(s)
- Xuefeng Cao
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | | | - Ding Liu
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Peng G. Wang
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
| | - Xiu-Feng Wan
- MU Center for Research on Influenza Systems Biology (CRISB), University of MissouriColumbiaMOUSA,Department of Molecular Microbiology and Immunology, School of Medicine, University of MissouriColumbiaMOUSA,Bond Life Sciences Center, University of MissouriColumbiaMOUSA,Department of Electrical Engineering & Computer Science, College of Engineering, University of MissouriColumbiaMOUSA
| | | | - Xi Chen
- Department of Chemistry, University of CaliforniaOne Shields AvenueDavisCAUSA
| | - Lauren E. Pepi
- Complex Carbohydrate Research Center, University of GeorgiaAthensGAUSA
| | - Parastoo Azadi
- Complex Carbohydrate Research Center, University of GeorgiaAthensGAUSA
| | - Lei Li
- Department of Chemistry, Georgia State UniversityAtlantaGAUSA
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5
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Li T, Zhang Y, Li T, Zhuang H, Wang F, Wang N, Schmidt RR, Peng P. Divergent Synthesis of Core m1, Core m2 and Core m3
O
‐Mannosyl
Glycopeptides via a Chemoenzymatic Approach. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tianlu Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Youqin Zhang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Tong Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Haoru Zhuang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Fengshan Wang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Ning Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University Wuxi Jiangsu 214122 China
| | | | - Peng Peng
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
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6
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Chao Q, Li T, Jia JX, Li Z, Peng P, Gao XD, Wang N. Spore-Encapsulating Glycosyltransferase Catalysis Tandem Reactions: Facile Chemoenzymatic Synthesis of Complex Human Glycans. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Qiang Chao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Tianlu Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, Shandong 250012, China
| | - Ji-Xiang Jia
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Zijie Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Peng Peng
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Jinan, Shandong 250012, China
| | - Xiao-Dong Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Ning Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
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7
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Zhang Q, Wang S, Li Z, Lasanajak Y, Li L, Song X. Regeneration of Free Reducing Glycans from Reductive Amination-Tagged Glycans by Oxone. J Org Chem 2022; 87:3736-3740. [PMID: 35143205 DOI: 10.1021/acs.joc.1c02709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Glycans are usually fluorescently tagged by reductive amination for analytic tools. However, free reducing glycan regeneration is sometimes important and necessary for further structural or functional studies. Here, we introduce a new method for efficiently removing fluorescent tags from glycoconjugates by a simple treatment with Oxone. This method is proven to be fast and general after being tested on a series of common saccharides and widely used tags. We successfully achieved N-glycopeptide synthesis by using the regenerated glycans.
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Affiliation(s)
- Qing Zhang
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30302, United States
| | - Zhonghua Li
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Yi Lasanajak
- Emory Glycomics and Molecular Interactions Core, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30302, United States
| | - Xuezheng Song
- Department of Biochemistry, Emory University School of Medicine, Atlanta, Georgia 30322, United States.,Emory Glycomics and Molecular Interactions Core, Emory University School of Medicine, Atlanta, Georgia 30322, United States
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8
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Fu X, Gadi MR, Wang S, Han J, Liu D, Chen X, Yin J, Li L. General Tolerance of Galactosyltransferases toward UDP‐galactosamine Expands Their Synthetic Capability. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202112574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xuan Fu
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
- Center for Diagnostics & Therapeutics Georgia State University Atlanta GA 30303 USA
| | | | - Shuaishuai Wang
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
| | - Jinghua Han
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
| | - Ding Liu
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
| | - Xi Chen
- Department of Chemistry University of California, Davis Davis CA 95616 USA
| | - Jun Yin
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
- Center for Diagnostics & Therapeutics Georgia State University Atlanta GA 30303 USA
| | - Lei Li
- Department of Chemistry Georgia State University Atlanta GA 30303 USA
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9
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Fu X, Gadi MR, Wang S, Han J, Liu D, Chen X, Yin J, Li L. General Tolerance of Galactosyltransferases toward UDP-galactosamine Expands Their Synthetic Capability. Angew Chem Int Ed Engl 2021; 60:26555-26560. [PMID: 34661966 PMCID: PMC8720041 DOI: 10.1002/anie.202112574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Indexed: 12/15/2022]
Abstract
Accessing large numbers of structurally diverse glycans and derivatives is essential to functional glycomics. We showed a general tolerance of galactosyltransferases toward uridine-diphosphate-galactosamine (UDP-GalN), which is not a commonly used sugar nucleotide donor. The property was harnessed to develop a two-step chemoenzymatic strategy for facile synthesis of novel and divergent N-acetylgalactosamine (GalNAc)-glycosides and derivatives in preparative scales. The discovery and the application of the new property of existing glycosyltransferases expand their catalytic capabilities in generating novel carbohydrate linkages, thus prompting the synthesis of diverse glycans and glycoconjugates for biological studies.
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Affiliation(s)
- Xuan Fu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
- Center for Diagnostics & Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | | | - Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Jinghua Han
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Xi Chen
- Department of Chemistry, University of California, Davis, Davis, CA, 95616, USA
| | - Jun Yin
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
- Center for Diagnostics & Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
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10
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Liu M, Qin X, Ye XS. Glycan Assembly Strategy: From Concept to Application. CHEM REC 2021; 21:3256-3277. [PMID: 34498347 DOI: 10.1002/tcr.202100183] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/30/2021] [Indexed: 12/11/2022]
Abstract
Glycans have been hot topics in recent years due to their exhibition of numerous biological activities. However, the heterogeneity of their natural source and the complexity of their chemical synthesis impede the progress in their biological research. Thus, the development of glycan assembly strategies to acquire plenty of structurally well-defined glycans is an important issue in carbohydrate chemistry. In this review, the latest advances in glycan assembly strategies from concepts to their applications in carbohydrate synthesis, including chemical and enzymatic/chemo-enzymatic approaches, as well as solution-phase and solid-phase/tag-assisted synthesis, are summarized. Furthermore, the automated glycan assembly techniques are also outlined.
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Affiliation(s)
- Mingli Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing, 100191, China
| | - Xianjin Qin
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing, 100191, China
| | - Xin-Shan Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing, 100191, China
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11
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Wang S, Chen C, Gadi MR, Saikam V, Liu D, Zhu H, Bollag R, Liu K, Chen X, Wang F, Wang PG, Ling P, Guan W, Li L. Chemoenzymatic modular assembly of O-GalNAc glycans for functional glycomics. Nat Commun 2021; 12:3573. [PMID: 34117223 PMCID: PMC8196059 DOI: 10.1038/s41467-021-23428-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 04/29/2021] [Indexed: 01/16/2023] Open
Abstract
O-GalNAc glycans (or mucin O-glycans) play pivotal roles in diverse biological and pathological processes, including tumor growth and progression. Structurally defined O-GalNAc glycans are essential for functional studies but synthetic challenges and their inherent structural diversity and complexity have limited access to these compounds. Herein, we report an efficient and robust chemoenzymatic modular assembly (CEMA) strategy to construct structurally diverse O-GalNAc glycans. The key to this strategy is the convergent assembly of O-GalNAc cores 1-4 and 6 from three chemical building blocks, followed by enzymatic diversification of the cores by 13 well-tailored enzyme modules. A total of 83 O-GalNAc glycans presenting various natural glycan epitopes are obtained and used to generate a unique synthetic mucin O-glycan microarray. Binding specificities of glycan-binding proteins (GBPs) including plant lectins and selected anti-glycan antibodies towards these O-GalNAc glycans are revealed by this microarray, promoting their applicability in functional O-glycomics. Serum samples from colorectal cancer patients and healthy controls are assayed using the array reveal higher bindings towards less common cores 3, 4, and 6 than abundant cores 1 and 2, providing insights into O-GalNAc glycan structure-activity relationships.
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Affiliation(s)
- Shuaishuai Wang
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Congcong Chen
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA ,grid.27255.370000 0004 1761 1174National Glycoengineering Research Center, Shandong Provincial Key Laboratory of Glycochemistry and Glycobiology, Shandong University, Qingdao, 266237 Shandong China ,grid.495839.aShandong Academy of Pharmaceutical Science, Key Laboratory of Biopharmaceuticals, Engineering Laboratory of Polysaccharide Drugs, National-Local Joint Engineering Laboratory of Polysaccharide Drugs, Jinan, 250101 Shandong China
| | - Madhusudhan Reddy Gadi
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Varma Saikam
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Ding Liu
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - He Zhu
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
| | - Roni Bollag
- grid.410427.40000 0001 2284 9329Georgia Cancer Center, Augusta University, Augusta, GA 30912 USA
| | - Kebin Liu
- grid.410427.40000 0001 2284 9329Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, GA 30912 USA
| | - Xi Chen
- grid.27860.3b0000 0004 1936 9684Department of Chemistry, University of California, Davis, CA 95616 USA
| | - Fengshan Wang
- grid.27255.370000 0004 1761 1174Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Science, Shandong University, Jinan, 250012 Shandong China
| | - Peng George Wang
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA ,grid.263817.9Present Address: School of Medicine, Southern University of Science and Technology, Shenzhen, 518055 Guangdong China
| | - Peixue Ling
- grid.27255.370000 0004 1761 1174National Glycoengineering Research Center, Shandong Provincial Key Laboratory of Glycochemistry and Glycobiology, Shandong University, Qingdao, 266237 Shandong China ,grid.495839.aShandong Academy of Pharmaceutical Science, Key Laboratory of Biopharmaceuticals, Engineering Laboratory of Polysaccharide Drugs, National-Local Joint Engineering Laboratory of Polysaccharide Drugs, Jinan, 250101 Shandong China ,grid.27255.370000 0004 1761 1174Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drug, School of Pharmaceutical Science, Shandong University, Jinan, 250012 Shandong China
| | - Wanyi Guan
- grid.256884.50000 0004 0605 1239College of Life Science, Hebei Normal University, Shijiazhuang, 050024 Hebei China
| | - Lei Li
- grid.256304.60000 0004 1936 7400Department of Chemistry, Georgia State University, Atlanta, GA 30303 USA
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12
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Wang H, Sun C, Sun X, Zhang L, Zhao J, Liang M, Xiao M, Gu G. Biochemical Characterization and Synthetic Application of α‐1,3‐Glucosyltransferase from Pneumococcus Serotype 18C. ChemCatChem 2021. [DOI: 10.1002/cctc.202100507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Hong Wang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Chongzhen Sun
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Xuan Sun
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Le Zhang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Jielin Zhao
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Min Liang
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Min Xiao
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
| | - Guofeng Gu
- National Glycoengineering Research Center and Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology Shandong University 72 Binhai Road 266237 Qingdao P. R. China
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13
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Na L, Li R, Chen X. Recent progress in synthesis of carbohydrates with sugar nucleotide-dependent glycosyltransferases. Curr Opin Chem Biol 2021. [PMID: 33310623 DOI: 10.1186/10.1016/j.cbpa.2020.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Sugar nucleotide-dependent glycosyltransferases (GTs) are key enzymes that catalyze the formation of glycosidic bonds in nature. They have been increasingly applied in the synthesis of complex carbohydrates and glycoconjugates with or without in situ generation of sugar nucleotides. Human GTs are becoming more accessible and new bacterial GTs have been identified and characterized. An increasing number of crystal structures elucidated for GTs from mammalian and bacterial sources facilitate structure-based design of mutants as improved catalysts for synthesis. Automated platforms have also been developed for chemoenzymatic synthesis of carbohydrates. Recent progress in applying sugar nucleotide-dependent GTs in enzymatic and chemoenzymatic synthesis of mammalian glycans and glycoconjugates, bacterial surface glycans, and glycosylated natural products from bacteria and plants are reviewed.
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Affiliation(s)
- Lan Na
- Department of Chemistry, University of California Davis, Davis, CA, USA
| | - Riyao Li
- Department of Chemistry, University of California Davis, Davis, CA, USA
| | - Xi Chen
- Department of Chemistry, University of California Davis, Davis, CA, USA.
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14
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Recent progress in synthesis of carbohydrates with sugar nucleotide-dependent glycosyltransferases. Curr Opin Chem Biol 2020; 61:81-95. [PMID: 33310623 DOI: 10.1016/j.cbpa.2020.10.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/15/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022]
Abstract
Sugar nucleotide-dependent glycosyltransferases (GTs) are key enzymes that catalyze the formation of glycosidic bonds in nature. They have been increasingly applied in the synthesis of complex carbohydrates and glycoconjugates with or without in situ generation of sugar nucleotides. Human GTs are becoming more accessible and new bacterial GTs have been identified and characterized. An increasing number of crystal structures elucidated for GTs from mammalian and bacterial sources facilitate structure-based design of mutants as improved catalysts for synthesis. Automated platforms have also been developed for chemoenzymatic synthesis of carbohydrates. Recent progress in applying sugar nucleotide-dependent GTs in enzymatic and chemoenzymatic synthesis of mammalian glycans and glycoconjugates, bacterial surface glycans, and glycosylated natural products from bacteria and plants are reviewed.
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15
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Jaroentomeechai T, Taw MN, Li M, Aquino A, Agashe N, Chung S, Jewett MC, DeLisa MP. Cell-Free Synthetic Glycobiology: Designing and Engineering Glycomolecules Outside of Living Cells. Front Chem 2020; 8:645. [PMID: 32850660 PMCID: PMC7403607 DOI: 10.3389/fchem.2020.00645] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 06/22/2020] [Indexed: 12/12/2022] Open
Abstract
Glycans and glycosylated biomolecules are directly involved in almost every biological process as well as the etiology of most major diseases. Hence, glycoscience knowledge is essential to efforts aimed at addressing fundamental challenges in understanding and improving human health, protecting the environment and enhancing energy security, and developing renewable and sustainable resources that can serve as the source of next-generation materials. While much progress has been made, there remains an urgent need for new tools that can overexpress structurally uniform glycans and glycoconjugates in the quantities needed for characterization and that can be used to mechanistically dissect the enzymatic reactions and multi-enzyme assembly lines that promote their construction. To address this technology gap, cell-free synthetic glycobiology has emerged as a simplified and highly modular framework to investigate, prototype, and engineer pathways for glycan biosynthesis and biomolecule glycosylation outside the confines of living cells. From nucleotide sugars to complex glycoproteins, we summarize here recent efforts that harness the power of cell-free approaches to design, build, test, and utilize glyco-enzyme reaction networks that produce desired glycomolecules in a predictable and controllable manner. We also highlight novel cell-free methods for shedding light on poorly understood aspects of diverse glycosylation processes and engineering these processes toward desired outcomes. Taken together, cell-free synthetic glycobiology represents a promising set of tools and techniques for accelerating basic glycoscience research (e.g., deciphering the "glycan code") and its application (e.g., biomanufacturing high-value glycomolecules on demand).
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Affiliation(s)
- Thapakorn Jaroentomeechai
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - May N. Taw
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Mingji Li
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Alicia Aquino
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Ninad Agashe
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Sean Chung
- Graduate Field of Biochemistry, Molecular and Cell Biology, Cornell University, Ithaca, NY, United States
| | - Michael C. Jewett
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, United States
- Center for Synthetic Biology, Northwestern University, Evanston, IL, United States
- Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, United States
| | - Matthew P. DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
- Graduate Field of Biochemistry, Molecular and Cell Biology, Cornell University, Ithaca, NY, United States
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16
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Tian C, Yang J, Li Y, Zhang T, Li J, Ren C, Men Y, Chen P, You C, Sun Y, Ma Y. Artificially designed routes for the conversion of starch to value-added mannosyl compounds through coupling in vitro and in vivo metabolic engineering strategies. Metab Eng 2020; 61:215-224. [PMID: 32623008 DOI: 10.1016/j.ymben.2020.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/09/2020] [Accepted: 06/21/2020] [Indexed: 02/08/2023]
Abstract
Starch/cellulose has become the major feedstock for manufacturing biofuels and biochemicals because of their abundance and sustainability. In this study, we presented an artificially designed "starch-mannose-fermentation" biotransformation process through coupling the advantages of in vivo and in vitro metabolic engineering strategies together. Starch was initially converted into mannose via an in vitro metabolic engineering biosystem, and then mannose was fermented by engineered microorganisms for biomanufacturing valuable mannosyl compounds. The in vitro metabolic engineering biosystem based on phosphorylation/dephosphorylation reactions was thermodynamically favorable and the conversion rate reached 81%. The mannose production using whole-cell biocatalysts reached 75.4 g/L in a 30-L reactor, indicating the potential industrial application. Furthermore, the produced mannose in the reactor was directly served as feedstock for the fermentation process to bottom-up produced 19.2 g/L mannosyl-oligosaccharides (MOS) and 7.2 g/L mannosylglycerate (MG) using recombinant Corynebacterium glutamicum strains. Notably, such a mannose fermentation process facilitated the synthesis of MOS, which has not been achieved under glucose fermentation and improved MG production by 2.6-fold than that using the same C-mole of glucose. This approach also allowed access to produce other kinds of mannosyl derivatives from starch.
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Affiliation(s)
- Chaoyu Tian
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Jiangang Yang
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yunjie Li
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Tong Zhang
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Jiao Li
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Chenxi Ren
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Yan Men
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Peng Chen
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Chun You
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yuanxia Sun
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
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17
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Zhang Q, Li Z, Song X. Preparation of Complex Glycans From Natural Sources for Functional Study. Front Chem 2020; 8:508. [PMID: 32719769 PMCID: PMC7348041 DOI: 10.3389/fchem.2020.00508] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/18/2020] [Indexed: 01/03/2023] Open
Abstract
One major barrier in glycoscience is the lack of diverse and biomedically relevant complex glycans in sufficient quantities for functional study. Complex glycans from natural sources serve as an important source of these glycans and an alternative to challenging chemoenzymatic synthesis. This review discusses preparation of complex glycans from several classes of glycoconjugates using both enzymatic and chemical release approaches. Novel technologies have been developed to advance the large-scale preparation of complex glycans from natural sources. We also highlight recent approaches and methods developed in functional and fluorescent tagging and high-performance liquid chromatography (HPLC) isolation of released glycans.
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Affiliation(s)
- Qing Zhang
- Department of Biochemistry, Emory Comprehensive Glycomics Core, Emory University School of Medicine, Atlanta, GA, United States
| | - Zhonghua Li
- Department of Biochemistry, Emory Comprehensive Glycomics Core, Emory University School of Medicine, Atlanta, GA, United States
| | - Xuezheng Song
- Department of Biochemistry, Emory Comprehensive Glycomics Core, Emory University School of Medicine, Atlanta, GA, United States
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18
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Li L, Guan W, Zhang G, Wu Z, Yu H, Chen X, Wang PG. Microarray analyses of closely related glycoforms reveal different accessibilities of glycan determinants on N-glycan branches. Glycobiology 2020; 30:334-345. [PMID: 32026940 PMCID: PMC7175966 DOI: 10.1093/glycob/cwz100] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 11/27/2019] [Accepted: 12/02/2019] [Indexed: 01/03/2023] Open
Abstract
Glycans mediate a wide variety of biological roles via recognition by glycan-binding proteins (GBPs). Comprehensive knowledge of such interaction is thus fundamental to glycobiology. While the primary binding feature of GBPs can be easily uncovered by using a simple glycan microarray harboring limited numbers of glycan motifs, their fine specificities are harder to interpret. In this study, we prepared 98 closely related N-glycoforms that contain 5 common glycan epitopes which allowed the determination of the fine binding specificities of several plant lectins and anti-glycan antibodies. These N-glycoforms differ from each other at the monosaccharide level and were presented in an identical format to ensure comparability. With the analysis platform we used, it was found that most tested GBPs have preferences toward only one branch of the complex N-glycans, and their binding toward the epitope-presenting branch can be significantly affected by structures on the other branch. Fine specificities described here are valuable for a comprehensive understanding and applications of GBPs.
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Affiliation(s)
- Lei Li
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Wanyi Guan
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Gaolan Zhang
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Zhigang Wu
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Hai Yu
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Xi Chen
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Peng G Wang
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
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19
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Laborda P, Lyu Y, Parmeggiani F, Lu A, Wang W, Huang Y, Huang K, Guo J, Liu L, Flitsch SL, Voglmeir J. An Enzymatic N‐Acylation Step Enables the Biocatalytic Synthesis of Unnatural Sialosides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pedro Laborda
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
- Current address: School of Life SciencesNantong University 19 Qixiu Road 226019 Nantong China
| | - Yong‐Mei Lyu
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Fabio Parmeggiani
- School of Chemistry & Manchester Institute of BiotechnologyThe University of Manchester 131 Princess Street M1 7DN Manchester UK
| | - Ai‐Min Lu
- College of SciencesNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Wen‐Jiao Wang
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Ying‐Ying Huang
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Kun Huang
- School of Chemistry & Manchester Institute of BiotechnologyThe University of Manchester 131 Princess Street M1 7DN Manchester UK
| | - Juan Guo
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Li Liu
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
| | - Sabine L. Flitsch
- School of Chemistry & Manchester Institute of BiotechnologyThe University of Manchester 131 Princess Street M1 7DN Manchester UK
| | - Josef Voglmeir
- Glycomics and Glycan Bioengineering Research Center (GGBRC)College of Food Science and TechnologyNanjing Agricultural University 1 Weigang 210095 Nanjing China
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20
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Laborda P, Lyu YM, Parmeggiani F, Lu AM, Wang WJ, Huang YY, Huang K, Guo J, Liu L, Flitsch SL, Voglmeir J. An Enzymatic N-Acylation Step Enables the Biocatalytic Synthesis of Unnatural Sialosides. Angew Chem Int Ed Engl 2020; 59:5308-5311. [PMID: 31834658 DOI: 10.1002/anie.201914338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 12/10/2019] [Indexed: 12/22/2022]
Abstract
Chitin is one of the most abundant and cheaply available biopolymers in Nature. Chitin has become a valuable starting material for many biotechnological products through manipulation of its N-acetyl functionality, which can be cleaved under mild conditions using the enzyme family of de-N-acetylases. However, the chemoselective enzymatic re-acylation of glucosamine derivatives, which can introduce new stable functionalities into chitin derivatives, is much less explored. Herein we describe an acylase (CmCDA from Cyclobacterium marinum) that catalyzes the N-acylation of glycosamine with a range of carboxylic acids under physiological reaction conditions. This biocatalyst closes an important gap in allowing the conversion of chitin into complex glycosides, such as C5-modified sialosides, through the use of highly selective enzyme cascades.
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Affiliation(s)
- Pedro Laborda
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China.,Current address: School of Life Sciences, Nantong University, 19 Qixiu Road, 226019, Nantong, China
| | - Yong-Mei Lyu
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Fabio Parmeggiani
- School of Chemistry & Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, M1 7DN, Manchester, UK
| | - Ai-Min Lu
- College of Sciences, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Wen-Jiao Wang
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Ying-Ying Huang
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Kun Huang
- School of Chemistry & Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, M1 7DN, Manchester, UK
| | - Juan Guo
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Li Liu
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
| | - Sabine L Flitsch
- School of Chemistry & Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, M1 7DN, Manchester, UK
| | - Josef Voglmeir
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095, Nanjing, China
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21
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Gao T, Yan J, Liu CC, Palma AS, Guo Z, Xiao M, Chen X, Liang X, Chai W, Cao H. Chemoenzymatic Synthesis of O-Mannose Glycans Containing Sulfated or Nonsulfated HNK-1 Epitope. J Am Chem Soc 2019; 141:19351-19359. [PMID: 31738061 DOI: 10.1021/jacs.9b08964] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The human natural killer-1 (HNK-1) epitope is a unique sulfated trisaccharide sequence presented on O- and N-glycans of various glycoproteins and on glycolipids. It is overexpressed in the nervous system and plays crucial roles in nerve regeneration, synaptic plasticity, and neuronal diseases. However, the investigation of functional roles of HNK-1 in a more complex glycan context at the molecular level remains a big challenge due to lack of access to related structurally well-defined complex glycans. Herein, we describe a highly efficient chemoenzymatic approach for the first collective synthesis of HNK-1-bearing O-mannose glycans with different branching patterns, and for their nonsulfated counterparts. The successful strategy relies on both chemical glycosylation of a trisaccharide lactone donor for the introduction of sulfated HNK-1 branch and substrate promiscuities of bacterial glycosyltransferases that can tolerate sulfated substrates for enzymatic diversification. Glycan microarray analysis with the resulting complex synthetic glycans demonstrated their recognition by two HNK-1-specific antibodies including anti-HNK-1/N-CAM (CD57) and Cat-315, which provided further evidence for the recognition epitopes of these antibodies and the essential roles of the sulfate group for HNK-1 glycan-antibody recognition.
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Affiliation(s)
- Tian Gao
- National Glycoengineering Research Center, State Key Laboratory of Microbial Technology, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology , Shandong University , Qingdao 266237 , China.,Laboratory for Marine Drugs and Bioproducts , Pilot National Laboratory for Marine Science and Technology (Qingdao) , Qingdao 266237 , China
| | - Jingyu Yan
- Key Laboratory of Separation Science for Analytical Chemistry , Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023 , China
| | - Chang-Cheng Liu
- National Glycoengineering Research Center, State Key Laboratory of Microbial Technology, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology , Shandong University , Qingdao 266237 , China.,Laboratory for Marine Drugs and Bioproducts , Pilot National Laboratory for Marine Science and Technology (Qingdao) , Qingdao 266237 , China
| | - Angelina S Palma
- UCIBIO, Department of Chemistry, Faculty of Science and Technology , NOVA University of Lisbon , Caparica 2829-516 , Portugal
| | - Zhimou Guo
- Key Laboratory of Separation Science for Analytical Chemistry , Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023 , China
| | - Min Xiao
- National Glycoengineering Research Center, State Key Laboratory of Microbial Technology, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology , Shandong University , Qingdao 266237 , China
| | - Xi Chen
- Department of Chemistry , University of California , Davis , California 95616 , United States
| | - Xinmiao Liang
- Key Laboratory of Separation Science for Analytical Chemistry , Dalian Institute of Chemical Physics, Chinese Academy of Sciences , Dalian 116023 , China
| | - Wengang Chai
- The Glycosciences Laboratory, Faculty of Medicine , Imperial College London , London SW7 2AZ , United Kingdom
| | - Hongzhi Cao
- National Glycoengineering Research Center, State Key Laboratory of Microbial Technology, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology , Shandong University , Qingdao 266237 , China.,Laboratory for Marine Drugs and Bioproducts , Pilot National Laboratory for Marine Science and Technology (Qingdao) , Qingdao 266237 , China
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22
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Acid-mediated N-iodosuccinimide-based thioglycoside activation for the automated solution-phase synthesis of α-1,2-linked-rhamnopyranosides. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2019-0307] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Carbohydrate structures are often complex. Unfortunately, synthesis of the range of sugar combinations precludes the use of a single coupling protocol or set of reagents. Adapting known, reliable bench-chemistry reactions to work via automation will help forward the goal of synthesizing a broad range of glycans. Herein, the preparation of di- and tri-saccharides of alpha 1→2 rhamnan fragments is demonstrated using thioglycoside donors with the development for a solution-phase-based automation platform of commonly used activation conditions using N-iodosuccinimide (NIS) with trimethylsilyl triflate. Byproducts of the glycosylation reaction are shown to be compatible with hydrazine-based deprotection conditions, lending broader functionality to this method as only one fluorous-solid-phase extraction step per coupling/deprotection cycle is required.
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23
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Mucin O-glycan microarrays. Curr Opin Struct Biol 2019; 56:187-197. [DOI: 10.1016/j.sbi.2019.03.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/12/2019] [Accepted: 03/31/2019] [Indexed: 11/22/2022]
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24
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Bai J, Wu Z, Sugiarto G, Gadi MR, Yu H, Li Y, Xiao C, Ngo A, Zhao B, Chen X, Guan W. Biochemical characterization of Helicobacter pylori α1-3-fucosyltransferase and its application in the synthesis of fucosylated human milk oligosaccharides. Carbohydr Res 2019; 480:1-6. [PMID: 31132553 DOI: 10.1016/j.carres.2019.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/06/2019] [Accepted: 05/15/2019] [Indexed: 12/24/2022]
Abstract
Fucosylated human milk oligosaccharides (HMOs) have important biological functions. Enzymatic synthesis of such compounds requires robust fucosyltransferases. A C-terminal 66-amino acid truncated version of Helicobacter pylori α1-3-fucosyltransferase (Hp3FT) is a good candidate. Hp3FT was biochemically characterized to identify optimal conditions for enzymatic synthesis of fucosides. While N-acetyllactosamine (LacNAc) and lactose were both suitable acceptors, the former is preferred. At a low guanosine 5'-diphospho-β-L-fucose (GDP-Fuc) to acceptor ratio, Hp3FT selectively fucosylated LacNAc. Based on these enzymatic characteristics, diverse fucosylated HMOs, including 3-fucosyllactose (3-FL), lacto-N-fucopentaose (LNFP) III, lacto-N-neofucopentaose (LNnFP) V, lacto-N-neodifucohexaose (LNnDFH) II, difuco- and trifuco-para-lacto-N-neohexaose (DF-paraLNnH and TF-para-LNnH), were synthesized enzymatically by varying the ratio of the donor and acceptor as well as controlling the order of multiple glycosyltransferase-catalyzed reactions.
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Affiliation(s)
- Jing Bai
- College of Life Science, Hebei Normal University, Shijiazhuang, Hebei, 050024, China
| | - Zhigang Wu
- College of Bioscience and Bioengineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050018, China
| | - Go Sugiarto
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Madhusudhan Reddy Gadi
- Department of Chemistry, Center of Diagnostics & Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Hai Yu
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Yanhong Li
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Cong Xiao
- Department of Chemistry, Center of Diagnostics & Therapeutics, Georgia State University, Atlanta, GA, 30303, USA
| | - Alice Ngo
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA
| | - Baohua Zhao
- College of Life Science, Hebei Normal University, Shijiazhuang, Hebei, 050024, China.
| | - Xi Chen
- Department of Chemistry, University of California, One Shields Avenue, Davis, CA, 95616, USA.
| | - Wanyi Guan
- College of Life Science, Hebei Normal University, Shijiazhuang, Hebei, 050024, China.
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25
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26
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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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27
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Wang J, Zhang D, Wen Y, Cao X, Ma J, George Wang P. Efficient chemoenzymatic synthesis of UDP-α-6-N 3-glucose. Bioorg Med Chem Lett 2019; 29:1148-1151. [PMID: 30826291 DOI: 10.1016/j.bmcl.2019.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/24/2018] [Accepted: 02/01/2019] [Indexed: 11/18/2022]
Abstract
A novel chemo-enzymatic synthetic method for UDP-α-6-N3-glucose was developed by combining the versatility of chemical synthesis and natural enzyme stereo-selectivity of Bifidobacterium longum (BLUSP). This flexible and efficient platform expanded the substrate scope for UDP-sugars on an improved scale, particularly for UDP-sugar substrates containing bioorthogonal functional groups.
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Affiliation(s)
- Jiajia Wang
- School of Basic Medical Sciences, Henan University Joint National Laboratory for Antibody Drug Engineering, Kaifeng, Henan 475004, People's Republic of China; Department of Chemistry and Center of Diagnostics & Therapeutics, Georgia State University, 50 Decatur St SE, Atlanta, GA 30303, United States
| | - Dongzhe Zhang
- School of Basic Medical Sciences, Henan University Joint National Laboratory for Antibody Drug Engineering, Kaifeng, Henan 475004, People's Republic of China
| | - Yinhang Wen
- School of Basic Medical Sciences, Henan University Joint National Laboratory for Antibody Drug Engineering, Kaifeng, Henan 475004, People's Republic of China
| | - Xuefeng Cao
- Department of Chemistry and Center of Diagnostics & Therapeutics, Georgia State University, 50 Decatur St SE, Atlanta, GA 30303, United States
| | - Jing Ma
- Institute of Chemical Biology, College of Pharmacy, Henan University, Kaifeng, People's Republic of China.
| | - Peng George Wang
- Department of Chemistry and Center of Diagnostics & Therapeutics, Georgia State University, 50 Decatur St SE, Atlanta, GA 30303, United States.
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