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紫杉烷类P糖蛋白抑制剂的虚拟筛选研究

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基于COCONUT天然产物数据库,运用计算机辅助药物设计方法对紫杉烷分子进行虚拟筛选,以寻找潜在的P-gp抑制剂.通过同源建模构建人P-gp蛋白三维结构模型、再经Lib-dock对接,从571种紫杉烷中初步筛选得到14种打分高于紫杉醇的候选分子.通过ADMET预测,得到成药性最好的候选分子紫衫烷504.结果显示,该分子与P-gp结合的作用力为氢键和π共轭作用,结合稳定性较好.研究可以为P-gp抑制剂的开发提供理论依据.
Virtual Screening of Potential P-glycoprotein Inhibitors from Taxanes
Based on COCONUT natural product database,taxanes for potential P-glycoprotein(P-gp)inhibitors were screened by computer aided drug design methods.By constructing the three-dimensional structure model of human P-gp protein through homology modeling,and then performing Lib-dock dock-ing,14 candidate molecules with higher scores than paclitaxel were perliminarily screened from 571 tax-anes.Then,the most promising molecule-taxane 504 with the best drug properties was selected from 14 candidates by ADMET prediction.The results indicated that taxane 504 has super superior binding stabil-ity and affinity of Taxane 504 with P-gp,which was attributed to hydrogen bond and π-conjugation.Study will provide theoretical basis for the development of P-gp inhibitors.

P-glycoprotein(P-gp)taxanemolecular dockingvirtual screening

汪燕、史建俊、吴燕、王爱东

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黄山学院 化学化工学院,安徽 黄山 245041

P糖蛋白(P-gp) 紫衫烷 分子对接 虚拟筛选

2024

黄山学院学报
黄山学院

黄山学院学报

CHSSCD
影响因子:0.249
ISSN:1672-447X
年,卷(期):2024.26(5)