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Docking and SAR studies of salacinol derivatives as alpha-glucosidase inhibitors.

机译:Salacinol衍生物作为α-葡萄糖苷酶抑制剂的对接和SAR研究。

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摘要

Salacinol is a potent alpha-glucosidase inhibitor isolated from Salacia reticulata, and a good lead compound for an antidiabetic drug. It is essential to clarify the binding state of salacinol to alpha-glucosidase for efficient optimization study using structure-based drug design. Redocking simulations of two inhibitors, acarbose and casuarine whose complex structures are known, were performed to assure the appropriate docking pose prediction. The simulation reproduced both experimental binding states with accuracy. Then, using the same simulation protocol, the binding mode of salacinol and its derivatives has been predicted. Salacinol bound to the protein with a similar binding mode as casuarine, and the predicted structures could explain most of the structure-activity relationships of salacinol derivatives.
机译:Salacinol是一种有效的α-葡萄糖苷酶抑制剂,从网状鳞S(Salacia reticulata)分离,并且是抗糖尿病药物的良好先导化合物。为了使用基于结构的药物设计进行有效的优化研究,必须阐明Salacinol与α-葡萄糖苷酶的结合状态。进行了两种抑制剂(阿卡波糖和木麻黄的复合结构已知)的重新模拟,以确保预测正确的对接姿势。该模拟准确地再现了两个实验结合状态。然后,使用相同的模拟协议,可以预测沙柳醇及其衍生物的结合方式。 Salacinol以与木麻黄类似的结合模式与蛋白质结合,预测的结构可以解释salacinol衍生物的大部分结构-活性关系。

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