1
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Hirose M, Nakamachi Y, Muto H, Taira A, Tanaka S, Kuribara T, Totani K. Preparation of natural high-mannose-type oligosaccharides (Glc 1Man 9GlcNAc 2) with the asparagine-glycine-threonine as consensus sequence from chicken egg yolk. Carbohydr Res 2024; 540:109138. [PMID: 38703662 DOI: 10.1016/j.carres.2024.109138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/18/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024]
Abstract
High-mannose-type glycan structure of N-glycoproteins plays important roles in the proper folding of proteins in sorting glycoprotein secretion and degradation of misfolded proteins in the endoplasmic reticulum (ER). The Glc1Man9GlcNAc2 (G1M9)-type N-glycan is one of the most important signaling molecules in the ER. However, current chemical synthesis strategies are laborious, warranting more practical approaches for G1M9-glycopeptide development. Wang et al. reported the procedure to give G1M9-Asn-Fmoc through chemical modifications and purifications from 40 chicken eggs, but only 3.3 mg of G1M9-glycopeptide was obtained. Therefore, better methods are needed to obtain more than 10 mg of G1M9-glycopeptide. In this study, we report the preparation of G1M9-glycopeptide (13.2 mg) linking Asn-Gly-Thr triad as consensus sequence from 40 chicken eggs. In this procedure, λ-carrageenan treatment followed by papain treatment was used to separate the Fc region of IgY antibody that harbors high-mannose glycans. Moreover, cotton hydrophilic interaction liquid chromatography was adapted for easy purification. The resulting G1M9-Asn(Fmoc)-Gly-Thr was identified by nuclear magnetic resonance and mass spectroscopy. G1M9-Asn(Fmoc)-Gly, G1M9-Asn(Fmoc), and G1M9-OH were also detected by mass spectroscopy. Here, our developed G1M9-tripeptide might be useful for the elucidation of glycoprotein functions as well as the specific roles of the consensus sequence.
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Affiliation(s)
- Mitsuaki Hirose
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Yuto Nakamachi
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan; KH i-Lab, KH Neochem Co., Ltd, Kanagawa, 212-0032, Japan
| | - Hasumi Muto
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Akito Taira
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Shinji Tanaka
- KH i-Lab, KH Neochem Co., Ltd, Kanagawa, 212-0032, Japan
| | - Taiki Kuribara
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan
| | - Kiichiro Totani
- Department of Science and Technology, Seikei University, Tokyo, 180-8633, Japan.
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2
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Abstract
The structural complexity of glycans poses a serious challenge in the chemical synthesis of glycosides, oligosaccharides and glycoconjugates. Glycan complexity, determined by composition, connectivity, and configuration far exceeds what nature achieves with nucleic acids and proteins. Consequently, glycoside synthesis ranks among the most complex tasks in organic synthesis, despite involving only a simple type of bond-forming reaction. Here, we introduce the fundamental principles of glycoside bond formation and summarize recent advances in glycoside bond formation and oligosaccharide synthesis.
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Affiliation(s)
- Conor J Crawford
- Department of Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max Planck Institute for Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
- Institute for Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
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3
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Usui R, Koizumi A, Nitta K, Kuribara T, Totani K. Multisite Partial Glycosylation Approach for Preparation of Biologically Relevant Oligomannosyl Branches Contribute to Lectin Affinity Analysis. J Org Chem 2023; 88:14357-14367. [PMID: 37792638 DOI: 10.1021/acs.joc.3c01178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
High-mannose-type glycans play essential biological roles, e.g., immune response and glycoprotein quality control, and preparing a series of oligomannosyl branches of high-mannose-type glycans is critical for biological studies. However, obtaining sufficient amounts of the various oligomannosyl branches is challenging. In this study, we demonstrated a partial glycosylation strategy for the single-step synthesis of various biologically relevant oligomannosyl-branched structures. First, Manα1-6(Manα1-3)Man-type oligomannosyl branch was synthesized via double glycosylation from a 3,6-di-OH mannosyl acceptor and fluorinated mannosyl donor with perfect α-selectivity. Subsequent partial glycosylation by reducing the equivalent of the mannosyl donor enabled to obtain biologically relevant Manα1-2Manα1-6(Manα1-2Manα1-3)Man, Manα1-6(Manα1-2Manα1-3)Man, Manα1-2Manα1-6(Manα1-3)Man, and Manα1-6(Manα1-3)Man in one-pot. Each oligomannosyl branch could be easily purified by liquid chromatography. The resulting structural isomers were identified by 2D-HMBC NMR. A systematic lectin affinity assay using the prepared oligomannosyl branches showed different specificities for the Galanthus nivalis lectin between structural isomers of the oligomannosyl branches with the same number of mannose residues..
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Affiliation(s)
- Ruchio Usui
- Department of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino-shi, Tokyo 180-8863, Japan
| | - Akira Koizumi
- Department of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino-shi, Tokyo 180-8863, Japan
| | - Kyohei Nitta
- Department of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino-shi, Tokyo 180-8863, Japan
| | - Taiki Kuribara
- Department of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino-shi, Tokyo 180-8863, Japan
| | - Kiichiro Totani
- Department of Science and Technology, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino-shi, Tokyo 180-8863, Japan
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4
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Convergent synthesis of oligomannose-type glycans via step-economical construction of branch structures. Carbohydr Res 2023; 525:108764. [PMID: 36812846 DOI: 10.1016/j.carres.2023.108764] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/27/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023]
Abstract
Oligomannose-type glycans on glycoproteins are important signaling molecules in the glycoprotein quality control system in the endoplasmic reticulum. Recently, free oligomannose-type glycans generated by the hydrolysis of glycoproteins or dolichol pyrophosphate-linked oligosaccharides were recognized as important signals for immunogenicity. Hence, there is a high demand for pure oligomannose-type glycans for biochemical experiments; however, the chemical synthesis of glycans to achieve high-concentration products is laborious. In this study, we demonstrate a simple and efficient synthetic strategy for oligomannose-type glycans. Sequential regioselective α-mannosylation at the C-3 and C-6 positions of 2,3,4,6-unprotected galactose residues in galactosylchitobiose derivatives was demonstrated. Subsequently, the inversion of the configuration of the two hydroxy groups at the C-2 and C-4 positions of the galactose moiety was successfully carried out. This synthetic route reduces the number of the protection-deprotection reactions and is suitable for constructing different branching patterns of oligomannose-type glycans, such as M9, M5A, and M5B.
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5
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Singh Y, Geringer SA, Demchenko AV. Synthesis and Glycosidation of Anomeric Halides: Evolution from Early Studies to Modern Methods of the 21st Century. Chem Rev 2022; 122:11701-11758. [PMID: 35675037 DOI: 10.1021/acs.chemrev.2c00029] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Advances in synthetic carbohydrate chemistry have dramatically improved access to common glycans. However, many novel methods still fail to adequately address challenges associated with chemical glycosylation and glycan synthesis. Since a challenge of glycosylation has remained, scientists have been frequently returning to the traditional glycosyl donors. This review is dedicated to glycosyl halides that have played crucial roles in shaping the field of glycosciences and continue to pave the way toward our understanding of chemical glycosylation.
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Affiliation(s)
- Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Scott A Geringer
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States.,Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
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6
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Kawanobe Y, Kuragaki N, Tsubomura T, Yamazaki Y, Kuribara T, Totani K. Mechanistic Study of Silyl‐Assist Effect on 1,2‐
cis
‐α‐Glucosylation. ChemistrySelect 2022. [DOI: 10.1002/slct.202104152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yuichi Kawanobe
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
| | - Naoya Kuragaki
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
| | - Taro Tsubomura
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
| | - Yasuomi Yamazaki
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
| | - Taiki Kuribara
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
| | - Kiichiro Totani
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi Musashino-shi Tokyo 180-8633 Japan
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7
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Nakagawa Y, Yamaji F, Miyanishi W, Ojika M, Igarashi Y, Ito Y. Binding Evaluation of Pradimicins for Oligomannose Motifs from Fungal Mannans. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200305] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yu Nakagawa
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
- Institute for Glyco-core Research (iGCORE), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Fumiya Yamaji
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Wataru Miyanishi
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Makoto Ojika
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Yasuhiro Igarashi
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Yukishige Ito
- RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
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8
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Ito Y, Kajihara Y, Takeda Y. Chemical‐Synthesis‐Based Approach to Glycoprotein Functions in the Endoplasmic Reticulum. Chemistry 2020; 26:15461-15470. [DOI: 10.1002/chem.202004158] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Yukishige Ito
- Project Research Center for Fundamental Sciences Graduate School of Science Osaka University Toyonaka Osaka 5600043 Japan
- RIKEN Cluster for Pioneering Research Wako Saitama 3510198 Japan
| | - Yasuhiro Kajihara
- Project Research Center for Fundamental Sciences Graduate School of Science Osaka University Toyonaka Osaka 5600043 Japan
- Department of Chemistry Graduate School of Science Osaka University Toyonaka Osaka 5600043 Japan
| | - Yoichi Takeda
- Department of Biotechnology Ritsumeikan University Kusatsu Shiga 5258577 Japan
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9
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Li W, Yu B. Temporary ether protecting groups at the anomeric center in complex carbohydrate synthesis. Adv Carbohydr Chem Biochem 2020; 77:1-69. [PMID: 33004110 DOI: 10.1016/bs.accb.2019.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The synthesis of a carbohydrate building block usually starts with introduction of a temporary protecting group at the anomeric center and ends with its selective cleavage for further transformation. Thus, the choice of the anomeric temporary protecting group must be carefully considered because it should retain intact during the whole synthetic manipulation, and it should be chemoselectively removable without affecting other functional groups at a late stage in the synthesis. Etherate groups are the most widely used temporary protecting groups at the anomeric center, generally including allyl ethers, MP (p-methoxyphenyl) ethers, benzyl ethers, PMB (p-methoxybenzyl) eithers, and silyl ethers. This chapter provides a comprehensive review on their formation, cleavage, and applications in the synthesis of complex carbohydrates.
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Affiliation(s)
- Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Biao Yu
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China.
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10
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Sano K, Ishii N, Kosugi M, Kuroiwa A, Matsuo I. Efficient synthesis of α(1,2)-linked oligomannoside derivatives through one-pot glycosylation. Carbohydr Res 2020; 494:108072. [PMID: 32563100 DOI: 10.1016/j.carres.2020.108072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 11/28/2022]
Abstract
An α(1,2)-linked oligomannoside derivative having a free C-2 hydroxyl group and a C-3 pivaloyl group was synthesized from a thiophenyl mannose derivative 1 using a one-pot self-condensation and applying a α-stereoselective procedure. The mannosylation exclusively generated α-mannoside linkages. The observed α-directing effect was rationalized by the remote participation of the pivaloyl group in C-3 position. The polymerization degree was controlled by the promoter amount providing the mannobiose derivative as a major product. Applying this method eliminated many synthetic steps. The α(1,2)-linked oligomannoside derivatives, which are key intermediates for the synthesis of oligomannose type N-glycans for glycoproteins, were easily prepared.
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Affiliation(s)
- Kanae Sano
- Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Nozomi Ishii
- Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Misa Kosugi
- Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Ayumi Kuroiwa
- Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376-8515, Japan
| | - Ichiro Matsuo
- Graduate School of Science and Technology, Gunma University, 1-5-1, Tenjin-cho, Kiryu, Gunma, 376-8515, Japan.
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11
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Matsuo I. Toward Understanding <i>N</i>-Glycan Functions through Chemical Synthesis. TRENDS GLYCOSCI GLYC 2019. [DOI: 10.4052/tigg.1917.2se] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Ichiro Matsuo
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University
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12
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Matsuo I. Toward Understanding <i>N</i>-Glycan Functions through Chemical Synthesis. TRENDS GLYCOSCI GLYC 2019. [DOI: 10.4052/tigg.1917.2sj] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Ichiro Matsuo
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University
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13
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Pistorio SG, Geringer SA, Stine KJ, Demchenko AV. Manual and Automated Syntheses of the N-Linked Glycoprotein Core Glycans. J Org Chem 2019; 84:6576-6588. [PMID: 31066275 DOI: 10.1021/acs.joc.8b03056] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Presented herein are two complementary approaches to the synthesis of the core N-glycan pentasaccharide. The first, a traditional manual approach in solution, makes use of the H-bond-mediated aglycone delivery method for the highly diastereoselective introduction of the β-mannosidic linkage at room temperature. The synthesis of the core pentasaccharide was also accomplished using an high-performance liquid chromatography-assisted automated approach. The overall assembly was swift (8 h) and efficient (31%).
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Affiliation(s)
- Salvatore G Pistorio
- Department of Chemistry and Biochemistry , University of Missouri-St. Louis One University Boulevard , St. Louis , Missouri 63121 , United States
| | - Scott A Geringer
- Department of Chemistry and Biochemistry , University of Missouri-St. Louis One University Boulevard , St. Louis , Missouri 63121 , United States
| | - Keith J Stine
- Department of Chemistry and Biochemistry , University of Missouri-St. Louis One University Boulevard , St. Louis , Missouri 63121 , United States
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry , University of Missouri-St. Louis One University Boulevard , St. Louis , Missouri 63121 , United States
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14
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Kuribara T, Hirano M, Speciale G, Williams SJ, Ito Y, Totani K. Selective Manipulation of Discrete Mannosidase Activities in the Endoplasmic Reticulum by Using Reciprocally Selective Inhibitors. Chembiochem 2017; 18:1027-1035. [DOI: 10.1002/cbic.201700081] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Taiki Kuribara
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180–8633 Japan
| | - Makoto Hirano
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180–8633 Japan
| | - Gaetano Speciale
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute University of Melbourne 30 Flemington Road Parkville VIC 3010 Australia
| | - Spencer J. Williams
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute University of Melbourne 30 Flemington Road Parkville VIC 3010 Australia
| | - Yukishige Ito
- Synthetic Cellular Chemistry Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Kiichiro Totani
- Department of Materials and Life Science Seikei University 3-3-1 Kichijoji-kitamachi, Musashino Tokyo 180–8633 Japan
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15
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Totani K, Yamaya K, Hirano M, Ito Y. Influence of aglycone structures on N -glycan processing reactions in the endoplasmic reticulum. Carbohydr Res 2017; 439:16-22. [DOI: 10.1016/j.carres.2016.12.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 12/27/2016] [Accepted: 12/28/2016] [Indexed: 10/20/2022]
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16
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Hachisu M, Ito Y. Chemical Approaches to Elucidate Enzymatic Profiles of UDP-Glucose: Glycoprotein Glucosyltransferase. Chem Pharm Bull (Tokyo) 2017; 64:687-90. [PMID: 27373624 DOI: 10.1248/cpb.c16-00209] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In the endoplasmic reticulum (ER), uridine 5'-diphosphate-glucose: glycoprotein glucosyltransferase 1 (UGGT1) recognizes misfolded glycoproteins and transfers a glucose residue to the specific non-reducing end of high-mannose-type glycans. However, precise molecular mechanism by which UGGT1 senses the folding has not been understood clearly. To address this issue, various model substrates for UGGT1 have been prepared using biological approaches. Recently, we introduced chemical approaches using synthetic glycan probes that were designed for studying N-glycan processing in the ER and Golgi apparatus. Our approach can outfit the homogeneous and functionalized glycan probes. In this review, recent results on functional analysis of UGGT1 are summarized.
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Affiliation(s)
- Masakazu Hachisu
- ERATO Ito Glycotrilogy Project, Japan Science and Technology Agency (JST)
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17
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Takeda Y, Seko A, Fujikawa K, Izumi M, Kajihara Y, Ito Y. Effects of domain composition on catalytic activity of human UDP-glucose:glycoprotein glucosyltransferases. Glycobiology 2016; 26:999-1006. [DOI: 10.1093/glycob/cww069] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 06/21/2016] [Indexed: 12/11/2022] Open
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18
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Hossain TJ, Harada Y, Hirayama H, Tomotake H, Seko A, Suzuki T. Structural Analysis of Free N-Glycans in α-Glucosidase Mutants of Saccharomyces cerevisiae: Lack of the Evidence for the Occurrence of Catabolic α-Glucosidase Acting on the N-Glycans. PLoS One 2016; 11:e0151891. [PMID: 27010459 PMCID: PMC4807098 DOI: 10.1371/journal.pone.0151891] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 03/04/2016] [Indexed: 11/19/2022] Open
Abstract
Saccharomyces cerevisiae produces two different α-glucosidases, Glucosidase 1 (Gls1) and Glucosidase 2 (Gls2), which are responsible for the removal of the glucose molecules from N-glycans (Glc3Man9GlcNAc2) of glycoproteins in the endoplasmic reticulum. Whether any additional α-glucosidases playing a role in catabolizing the glucosylated N-glycans are produced by this yeast, however, remains unknown. We report herein on a search for additional α-glucosidases in S. cerevisiae. To this end, the precise structures of cytosolic free N-glycans (FNGs), mainly derived from the peptide:N-glycanase (Png1) mediated deglycosylation of N-glycoproteins were analyzed in the endoplasmic reticulum α-glucosidase-deficient mutants. 12 new glucosylated FNG structures were successfully identified through 2-dimentional HPLC analysis. On the other hand, non-glucosylated FNGs were not detected at all under any culture conditions. It can therefore be safely concluded that no catabolic α-glucosidases acting on N-glycans are produced by this yeast.
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Affiliation(s)
- Tanim Jabid Hossain
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, Japan
- Graduate School of Science and Engineering, Saitama University, Sakura, Saitama, Japan
| | - Yoichiro Harada
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, Japan
| | - Hiroto Hirayama
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, Japan
| | - Haruna Tomotake
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, Japan
- Graduate School of Science and Engineering, Saitama University, Sakura, Saitama, Japan
| | - Akira Seko
- Japan Science and Technology Agency (JST), ERATO Ito Glycotrilogy Project, Wako, Saitama, Japan
| | - Tadashi Suzuki
- Glycometabolome Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center for Systems Chemical Biology, RIKEN Global Research Cluster, Wako, Saitama, Japan
- Graduate School of Science and Engineering, Saitama University, Sakura, Saitama, Japan
- * E-mail:
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20
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Fujikawa K, Seko A, Takeda Y, Ito Y. Approaches toward High-Mannose-Type Glycan Libraries. CHEM REC 2015; 16:35-46. [DOI: 10.1002/tcr.201500222] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Indexed: 01/27/2023]
Affiliation(s)
- Kohki Fujikawa
- Japan Science and Technology Agency (JST), ERATO Ito Glycotrilogy Project; 2-1 Hirosawa Wako Saitama 351-0198 Japan
- SUNTORY Bioorganic Research Institute; 8-1-1 Seikadai Seika-cho Soraku-gun Kyoto 619-0284 Japan
| | - Akira Seko
- Japan Science and Technology Agency (JST), ERATO Ito Glycotrilogy Project; 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Yoichi Takeda
- Japan Science and Technology Agency (JST), ERATO Ito Glycotrilogy Project; 2-1 Hirosawa Wako Saitama 351-0198 Japan
- Department of Biotechnology, College of Life Sciences; Ritsumeikan University; 1-1-1 Noji-higashi Kusatsu Shiga 525-8577 Japan
| | - Yukishige Ito
- Japan Science and Technology Agency (JST), ERATO Ito Glycotrilogy Project; 2-1 Hirosawa Wako Saitama 351-0198 Japan
- Synthetic Cellular Chemistry Laboratory; RIKEN; 2-1 Hirosawa Wako Saitama 351-0198 Japan
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Hirano M, Adachi Y, Ito Y, Totani K. Calreticulin discriminates the proximal region at the N-glycosylation site of Glc1Man9GlcNAc2 ligand. Biochem Biophys Res Commun 2015; 466:350-5. [DOI: 10.1016/j.bbrc.2015.09.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 09/05/2015] [Indexed: 12/30/2022]
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22
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Miyagawa A, Matsuda T, Yamamura H. Synthesis of Branched Tetrasaccharide Derivatives of Schizophyllan-like β-Glucan. J Carbohydr Chem 2015. [DOI: 10.1080/07328303.2015.1044754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Preparation of asparagine-linked monoglucosylated high-mannose-type oligosaccharide from egg yolk. Carbohydr Res 2015; 411:37-41. [DOI: 10.1016/j.carres.2015.04.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 04/15/2015] [Accepted: 04/17/2015] [Indexed: 11/18/2022]
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24
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Functional analysis of endoplasmic reticulum glucosyltransferase (UGGT): Synthetic chemistry's initiative in glycobiology. Semin Cell Dev Biol 2015; 41:90-8. [DOI: 10.1016/j.semcdb.2014.11.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 11/28/2014] [Accepted: 11/28/2014] [Indexed: 01/03/2023]
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25
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Abstract
Isothermal titration calorimetry (ITC) is a powerful tool for analyzing lectin-glycan interactions because it can measure the binding affinity and thermodynamic properties such as ∆H and ΔS in a single experiment without any chemical modification or immobilization. Here we describe a method for preparing glycan and lectin solution to minimize the buffer mismatch, setting parameters, and performing experiments.
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Affiliation(s)
- Yoichi Takeda
- ERATO, Ito Glycotrilogy Project, Japan Science and Technology Agency (JST), 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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26
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Fujikawa K, Koizumi A, Hachisu M, Seko A, Takeda Y, Ito Y. Construction of a High‐Mannose‐Type Glycan Library by a Renewed Top‐Down Chemo‐Enzymatic Approach. Chemistry 2015; 21:3224-33. [DOI: 10.1002/chem.201405781] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Indexed: 01/06/2023]
Affiliation(s)
- Kohki Fujikawa
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
| | - Akihiko Koizumi
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
| | - Masakazu Hachisu
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
| | - Akira Seko
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
| | - Yoichi Takeda
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
| | - Yukishige Ito
- ERATO Science and Technology Agency (JST), Ito Glycotrilogy Project, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan), Fax: (+81) 48‐462‐4680
- Synthetic Cellular Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako, Saitama 351‐0198 (Japan)
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27
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Totani K, Shinoda Y, Shiba M, Iwamoto S, Koizumi A, Matsuzaki Y, Hirano M. Silyl-assisted 1,2-cis-α-glucosylation for the synthesis of a triglucoside moiety in high-mannose-type oligosaccharides. RSC Adv 2015. [DOI: 10.1039/c5ra16659d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We developed a new 1,2-cis-α-glucosylation reaction, mediated by enhancing the α-favoured transition state via an electron-donating form the TBS group.
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Affiliation(s)
- Kiichiro Totani
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
| | - Yuki Shinoda
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
| | - Masaaki Shiba
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
| | - Shogo Iwamoto
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
| | - Akira Koizumi
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
| | - Yuji Matsuzaki
- Glyco Synthetic Lab
- Tokyo Chemical Industry Co., Ltd
- Tokyo 114-0003
- Japan
| | - Makoto Hirano
- Department of Materials and Life Science
- Seikei University
- Tokyo 180-8633
- Japan
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Takeda Y, Seko A, Hachisu M, Daikoku S, Izumi M, Koizumi A, Fujikawa K, Kajihara Y, Ito Y. Both isoforms of human UDP-glucose:glycoprotein glucosyltransferase are enzymatically active. Glycobiology 2014; 24:344-50. [DOI: 10.1093/glycob/cwt163] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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29
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Deciphering the roles of glycan processing in glycoprotein quality control through organic synthesis. Biosci Biotechnol Biochem 2013; 77:2331-8. [PMID: 24317068 DOI: 10.1271/bbb.130594] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Protein quality control (QC) in the endoplasmic reticulum (ER) comprises many aspects, including folding and transport of nascent proteins and degradation of misfolded proteins. Recent studies have revealed that high-mannose-type glycans play pivotal roles in the QC process. To gain knowledge of the molecular basis of this process with well-defined homogeneous compounds, we achieved a convergent synthesis of high-mannose-type glycans and their functionalized derivatives. A major part of our study focused on analyses of UDP-Glc: glycoprotein glucosyltransferase (UGGT) and ER glucosidase II, which play crucial roles in glycoprotein QC, to clarify their specificities. In addition, we established an in vitro assay system mimicking the in vivo condition, which is highly crowded due to the presence of various macromolecules.
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Recent advances in glycotechnology for glycoconjugate synthesis using microbial endoglycosidases. Biotechnol Lett 2013; 35:1733-43. [PMID: 23801123 DOI: 10.1007/s10529-013-1272-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Accepted: 06/11/2013] [Indexed: 01/10/2023]
Abstract
Biotechnology associated with synthesis of glycopeptides and glycoproteins has recently advanced as glycotechnology. Studies toward glycotechonology include the artificial modification of sugar chains in glycoconjugates to improve their function because the physiological importance of sugar chains in living organisms is well recognized. Methods involving addition of oligosaccharides to peptides and proteins have attracted attention as efficient techniques in glycotechnology, especially those involving the transglycosylation activities of microbial endoglycosidases. The exploration of oligosaccharide oxazolines as donor substrates for the transglycosylation of endoglycosidases has significantly enhanced the efficiency of these processes. Moreover, discovery of novel endoglycosidase mutants with glycosynthase-like activity has made it possible to effectively synthesize large quantities of glycopeptides, as well as homogeneous glycoprotein. The use of mutant enzymes and oligosaccharide oxazolines has led to development of practical applications for the synthesis of bioactive glycopeptides and therapeutic glycoproteins as bio-medicines.
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31
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Koizumi A, Matsuo I, Takatani M, Seko A, Hachisu M, Takeda Y, Ito Y. Top-Down Chemoenzymatic Approach to a High-Mannose-Type Glycan Library: Synthesis of a Common Precursor and Its Enzymatic Trimming. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301613] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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32
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Koizumi A, Matsuo I, Takatani M, Seko A, Hachisu M, Takeda Y, Ito Y. Top-Down Chemoenzymatic Approach to a High-Mannose-Type Glycan Library: Synthesis of a Common Precursor and Its Enzymatic Trimming. Angew Chem Int Ed Engl 2013; 52:7426-31. [DOI: 10.1002/anie.201301613] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 05/01/2013] [Indexed: 01/20/2023]
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33
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Takeda Y, Seko A, Sakono M, Hachisu M, Koizumi A, Fujikawa K, Ito Y. Parallel quantification of lectin-glycan interaction using ultrafiltration. Carbohydr Res 2013; 375:112-7. [PMID: 23701871 DOI: 10.1016/j.carres.2013.04.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Revised: 04/24/2013] [Accepted: 04/26/2013] [Indexed: 01/23/2023]
Abstract
Using ultrafiltration membrane, a simple method for screening protein-ligand interaction was developed. The procedure comprises three steps: mixing ligand with protein, ultrafiltration of the solution, and quantification of unbound ligands by HPLC. By conducting analysis with variable protein concentrations, affinity constants were easily obtained. Multiple ligands can be analyzed simultaneously as a mixture, when concentration of ligands was controlled. Feasibility of this method for lectin-glycan interaction analysis was examined using fluorescently labeled high-mannose-type glycans and recombinant intracellular lectins or endo-α-mannosidase mutants. Estimated Ka values of malectin and VIP36 were in good agreement indeed with those evaluated by conventional methods such as isothermal titration calorimetry (ITC) or frontal affinity chromatography (FAC). Finally, several mutants of endo-α-mannosidase were produced and their affinities to monoglucosylated glycans were evaluated.
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Affiliation(s)
- Yoichi Takeda
- Japan Science and Technology Agency (JST), ERATO, Ito Glycotrilogy Project, Wako, Saitama, Japan.
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34
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Matsushima H, Hirano M, Ito Y, Totani K. Diverse Effects of Macromolecular Crowding on the Sequential Glycan-Processing Pathway Involved in Glycoprotein Quality Control. Chembiochem 2013; 14:753-8. [DOI: 10.1002/cbic.201300028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Indexed: 12/20/2022]
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35
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Iwamoto S, Isoyama M, Hirano M, Yamaya K, Ito Y, Matsuo I, Totani K. Reconstructed glycan profile for evaluation of operating status of the endoplasmic reticulum glycoprotein quality control. Glycobiology 2012; 23:121-31. [DOI: 10.1093/glycob/cws130] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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36
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Iino K, Iwamoto S, Kasahara Y, Matsuda K, Tonozuka T, Nishikawa A, Ito Y, Matsuo I. Facile construction of 1,2-cis glucosidic linkage using sequential oxidation–reduction route for synthesis of an ER processing α-glucosidase I substrate. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.06.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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37
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Claude P, Lehmann C, Ziegler T. Dependency of the regio- and stereoselectivity of intramolecular, ring-closing glycosylations upon the ring size. Beilstein J Org Chem 2012; 7:1609-19. [PMID: 22238538 PMCID: PMC3252864 DOI: 10.3762/bjoc.7.189] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Accepted: 11/08/2011] [Indexed: 11/23/2022] Open
Abstract
Phenyl 3,4,6-tri-O-benzyl-2-O-(3-carboxypropionyl)-1-thio-β-D-galactopyranoside (1) was condensed via its pentafluorophenyl ester 2 with 5-aminopentyl (4a), 4-aminobutyl (4b), 3-aminopropyl (4c) and 2-aminoethyl 4,6-O-benzylidene-β-D-glucopyranoside (4d), prepared from the corresponding N-Cbz protected glucosides 3a–d, to give the corresponding 2-[3-(alkylcarbamoyl)propionyl] tethered saccharides 5a–d. Intramolecular, ring closing glycosylation of the saccharides with NIS and TMSOTf afforded the tethered β(1→3) linked disaccharides 6a–c, the α(1→3) linked disaccharides 7a–d and the α(1→2) linked disaccharide 8d in ratios depending upon the ring size formed during glycosylation. No β(1→2) linked disaccharides were formed. Molecular modeling of saccharides 6–8 revealed that a strong aromatic stacking interaction between the aromatic parts of the benzyl and benzylidene protecting groups in the galactosyl and glucosyl moieties was mainly responsible for the observed regioselectivity and anomeric selectivity of the ring-closing glycosylation step.
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Affiliation(s)
- Patrick Claude
- Institute of Organic Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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38
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Ito Y, Takeda Y. Analysis of glycoprotein processing in the endoplasmic reticulum using synthetic oligosaccharides. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2012; 88:31-40. [PMID: 22314014 PMCID: PMC3316936 DOI: 10.2183/pjab.88.31] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Accepted: 12/19/2011] [Indexed: 05/31/2023]
Abstract
Protein quality control (QC) in the endoplasmic reticulum (ER) comprises many steps, including folding and transport of nascent proteins as well as degradation of misfolded proteins. Recent studies have revealed that high-mannose-type glycans play a pivotal role in the QC process. To gain knowledge about the molecular basis of this process with well-defined homogeneous compounds, we achieved a convergent synthesis of high-mannose-type glycans and their functionalized derivatives. We focused on analyses of UDP-Glc: glycoprotein glucosyltransferase (UGGT) and ER Glucosidase II, which play crucial roles in glycoprotein QC; however, their specificities remain unclear. In addition, we established an in vitro assay system mimicking the in vivo condition which is highly crowded because of the presence of various biomacromolecules.
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39
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Ishiwata A, Ito Y. Intramolecular Aglycon Delivery and Its Application to Stereoselective Synthesis of Glycans. J SYN ORG CHEM JPN 2012. [DOI: 10.5059/yukigoseikyokaishi.70.382] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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40
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Aikawa JI, Matsuo I, Ito Y. In vitro mannose trimming property of human ER α-1,2 mannosidase I. Glycoconj J 2011; 29:35-45. [PMID: 22160784 DOI: 10.1007/s10719-011-9362-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Revised: 11/13/2011] [Accepted: 11/16/2011] [Indexed: 12/31/2022]
Abstract
Endoplasmic reticulum α-1,2 mannosidase I (ERManI) is an enzyme, which removes α(1-2) linked mannoses from asparagine-linked oligosaccharides on glycoproteins in the endoplasmic reticulum (ER). ERManI preferentially removes one α(1-2) linked mannose from B-chain of Man(9)GlcNAc(2). When glycoproteins fail to achieve properly folding, increased removal of α(1-2) linked mannoses on their oligosaccharides is induced and leads them to be disposed and degraded by ER-associated degradation pathway. However, it is still inconclusive whether accelerated removal of α(1-2) linked mannoses on those glycoproteins is catalyzed by the α-1,2 mannosidase I, proteins similar to mannosidase I [e.g. ER degradation-enhancing α-1,2 mannosidase-like protein (EDEM)], or both of them. Therefore, to approach this issue, we have investigated its in vitro activities using various oligosaccharides and glycoproteins as substrates. A recombinant form of human ERManI (hERManI) was prepared by using Escherichia coli. First, the enzyme generated Man(6)GlcNAc(2)-PA and Man(5)GlcNAc(2)-PA from 100 μM Man(9)GlcNAc(2)-PA after a one-hour reaction. Second, we have exposed bovine thyroglobulin and soybean agglutinin to denaturing conditions, e.g. 8 M urea, and used those glycoproteins as substrates. Sugar moieties were released from the reactant by PNGase F and their structures and amounts were elucidated by HPLC analysis. Intriguingly, the enzyme was shown to remove mannoses from bovine thyroglobulin and soybean agglutinin to larger extents when they were exposed to a denaturant. Therefore, our results suggested that hERManI could recognize tertiary and/or quaternary structures of glycoproteins and remove more α-1,2 linked mannoses from misfolded glycoproteins in living cells.
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Affiliation(s)
- Jun-ichi Aikawa
- RIKEN Advanced Science Institute, Hirosawa, Wako, Saitama, Japan.
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41
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42
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Kaeothip S, Demchenko AV. Expeditious oligosaccharide synthesis via selective, semi-orthogonal, and orthogonal activation. Carbohydr Res 2011; 346:1371-88. [PMID: 21663897 PMCID: PMC3129461 DOI: 10.1016/j.carres.2011.05.004] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2011] [Revised: 05/04/2011] [Accepted: 05/05/2011] [Indexed: 12/11/2022]
Abstract
Traditional strategies for oligosaccharide synthesis often require extensive protecting and/or leaving group manipulations between each glycosylation step, thereby increasing the total number of synthetic steps while decreasing the efficiency of the synthesis. In contrast, expeditious strategies allow for the rapid chemical synthesis of complex carbohydrates by minimizing extraneous chemical manipulations. Oligosaccharide synthesis by selective activation of one leaving group over another is one such expeditious strategy. Herein, the significant improvements that have recently emerged in the area of the selective activation are discussed. The development of orthogonal strategy further expands the scope of the selective activation methodology. Surveyed in this article, are representative examples wherein these excellent innovations have been applied to the synthesis of various oligosaccharide sequences.
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Affiliation(s)
- Sophon Kaeothip
- Department of Chemistry and Biochemistry, University of Missouri – St. Louis, One University Boulevard, St. Louis, MO 63121, USA
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry, University of Missouri – St. Louis, One University Boulevard, St. Louis, MO 63121, USA
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Hagiwara M, Dohi M, Nakahara Y, Komatsu K, Asahina Y, Ueki A, Hojo H, Nakahara Y, Ito Y. Synthesis of Biantennary Complex-Type Nonasaccharyl Asn Building Blocks for Solid-Phase Glycopeptide Synthesis. J Org Chem 2011; 76:5229-39. [DOI: 10.1021/jo200149d] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Masashi Hagiwara
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Mizuki Dohi
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Yuko Nakahara
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
- RIKEN, Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Keiko Komatsu
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Yuya Asahina
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Akiharu Ueki
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Hironobu Hojo
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Yoshiaki Nakahara
- Department of Applied Biochemistry, Institute of Glycoscience, Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
| | - Yukishige Ito
- RIKEN, Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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45
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Totani K, Miyazawa H, Kurata S, Ito Y. Magnetic beads-assisted mild enrichment procedure for weak-binding lectins. Anal Biochem 2011; 411:50-7. [DOI: 10.1016/j.ab.2010.12.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 12/06/2010] [Accepted: 12/16/2010] [Indexed: 11/17/2022]
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46
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for the period 2005-2006. MASS SPECTROMETRY REVIEWS 2011; 30:1-100. [PMID: 20222147 DOI: 10.1002/mas.20265] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This review is the fourth update of the original review, published in 1999, on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2006. The review covers fundamental studies, fragmentation of carbohydrate ions, method developments, and applications of the technique to the analysis of different types of carbohydrate. Specific compound classes that are covered include carbohydrate polymers from plants, N- and O-linked glycans from glycoproteins, glycated proteins, glycolipids from bacteria, glycosides, and various other natural products. There is a short section on the use of MALDI-TOF mass spectrometry for the study of enzymes involved in glycan processing, a section on industrial processes, particularly the development of biopharmaceuticals and a section on the use of MALDI-MS to monitor products of chemical synthesis of carbohydrates. Large carbohydrate-protein complexes and glycodendrimers are highlighted in this final section.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford OX1 3QU, UK.
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47
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Richardson JP, Macmillan D. Semi-synthesis of glycoproteins from E. coli through native chemical ligation. Methods Mol Biol 2011; 705:151-174. [PMID: 21125385 DOI: 10.1007/978-1-61737-967-3_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Sufficient quantities of homogeneous samples of post-translationally modified proteins are often not readily available from biological sources to facilitate structure-function investigations. Native chemical ligation (NCL) is a convenient method for the production of biologically active proteins from smaller fragments. Such an approach allows protein modifications to be introduced in a controlled fashion into smaller peptide fragments which are amenable to total chemical synthesis. These fragments of defined sequence and structure can be elaborated to full-length proteins through NCL reactions with suitable components derived from bacterial origin. This report describes methods for the bacterial production of components for NCL and their use in typical reactions.
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Affiliation(s)
- Jonathan P Richardson
- Department of Chemistry, Christopher Ingold Laboratories, University College London, London, WC1H 0AJ, UK.
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48
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Ishiwata A, Lee YJ, Ito Y. Recent advances in stereoselective glycosylation through intramolecular aglycon delivery. Org Biomol Chem 2010; 8:3596-608. [DOI: 10.1039/c004281a] [Citation(s) in RCA: 149] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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50
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