在针对 SARS-CoV-2 papain-like 蛋白酶的多站点药物优化中,透驱动的合作效应
Lili Duan1, Bolin Tang2, Song Luo2
1School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China. duanll@sdnu.edu.cn.
Cellular and molecular life sciences : CMLS
|October 5, 2023
概括
优化药物GRL0617对SARS-CoV-2帕帕因样蛋白酶 (PLpro) 的作用通过合作性增强了结合亲和力. 分子模拟显示,变,特别是涉及关键残留物,驱动这种改善的相互作用,以改善药物开发.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 计算化学的计算化学
背景情况:
- SARS-CoV-2 帕帕因样蛋白酶 (PLpro) 是一个关键的治疗点.
- 像GRL0617这样的现有抑制剂可以改进以加强结合.
- 了解约束性合作是优化药物设计的关键.
研究的目的:
- 调查PLpro和优化的GRL0617.7之间有约束力的合作关系的起源.
- 量化和对合作性的贡献.
- 确定涉及合作约束机制的特定残留物.
主要方法:
- 分子动力学 (MD) 模拟.分子动力学 (MD) 模拟.
- 相互作用 (IE) 方法.
- 使用热力学集成进行具有约束力的自由能量计算.
- 分子力学/一般化 对于-分解的天生的表面积 (MM/GBSA).
主要成果:
- 优化的GRL0617区域与PLpro表现出合作性,增加了结合亲和力.
- 热力学集成证实了在改进的药物PLpro复合体中的合作性.
- 鉴定出变化是观察到的合作性的重要贡献者.
- 发现特定残留物 (P248,Q269,T301) 对于合作性至关重要,优化可最大限度地减少损失.
结论:
- 药物优化利用合作性增强了与SARS-CoV-2 PLpro.的结合亲和力.
- 通过在关键残留物处的抑制剂优化来稳定热贡献,是合作性的核心.
- 这项研究为开发利用多位点结合来减少性惩罚的药物提供了理论框架.
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