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O-连接N-乙酰葡糖胺转移酶抑制剂的筛选与活性分析

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Indexed by:期刊论文

Date of Publication:2018-06-10

Journal:高等学校化学学报

Included Journals:SCIE

Volume:39

Issue:06

Page Number:1185-1190

ISSN No.:0251-0790

Key Words:O-连接N-乙酰葡糖胺转移酶;O-连接N-乙酰葡糖胺修饰;抑制剂;虚拟筛选

Abstract:利用药物发现软件Discovery Studio 4.5(DS),以基于结构的虚拟筛选天然产物化合物库的方法,获得O-连接N-乙酰葡糖胺转移酶(OGT)天然产物抑制剂阿曼托双黄酮(AF).AF能够在体外抑制OGT的酶活.分子动力学(MD)模拟实验结果表明,AF能够稳定结合在OGT蛋白的底物结合口袋中,并与口袋附近多个氨基酸形成氢键.细胞内活性检测结果表明,AF能够有效抑制蛋白质的O-GlcNAc修饰,具有良好的OGT抑制活性.

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