Chemoenzymatic Synthesis of a MUC1 Glycopeptide Carrying Non-Natural Sialyl TF-β O-Glycan
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- TANAKA Eriko
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- NAKAHARA Yuko
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- KURODA Yasuhiro
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- TAKANO Yutaka
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- KOJIMA Naoya
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- HOJO Hironobu
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
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- NAKAHARA Yoshiaki
- Department of Applied Biochemistry, Institute of Glycotechnology, Tokai University
書誌事項
- タイトル別名
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- Chemoenzymatic Synthesis of a MUC1 Glycopeptide Carrying Non-Natural Sialyl TF-.BETA. O-Glycan
- Chemoenzymatic Synthesis of a MUC1 Glycopeptide Carrying Non Natural Sialyl TF ベータ O Glycan
- Chemoenzymatic Synthesis of a MUC1 Glycopeptide Carrying Non-Natural Sialyl TF-β<i>O</i>-Glycan
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抄録
A MUC1 type of glycopeptide was synthesized by the 9-fluorenylmethoxycarbonyl (Fmoc) solid-phase peptide synthesis (SPPS) protocol using benzyl and benzylidene-protected β-D-Gal-(1→3)-β-D-GalNAc-Ser/Thr (TF-β: a stereoisomer of the Thomsen-Friedenreich antigen). The synthetic glycopeptide was released from the resin with reagent K, and the resulting benzylated glycopeptide was deprotected under conditions of low-acidity trifluoromethanesulfonic acid (TfOH). The glycopeptide carrying duplicate non-natural O-glycans was dominant in the products, but was accompanied by a considerable amount of the glycopeptide missing one of the O-glycans. In contrast, the native α-glycoside was relatively stable under the acidic debenzylation conditions as shown by a parallel experiment with the glycopeptide involving α-D-GalNAc-Ser/Thr linkage. Enzymatic glycosylation with CMP-NeuAc was successful with both natural and non-natural O-glycans of the synthetic glycopeptide.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 70 (10), 2515-2522, 2006
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681454070144
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- NII論文ID
- 10018526076
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 8524159
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可