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DSDPFlex:灵活的接收器对接与GPU加速

Chengwei Dong1, Yu-Peng Huang1, Xiaohan Lin1

  • 1College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.

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此摘要是机器生成的。

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科学领域:

  • 计算化学是一种计算化学.
  • 结构生物学是结构生物学.
  • 药物发现 药物发现

背景情况:

  • 分子对接对于基于结构的药物发现至关重要,模拟联体蛋白相互作用.
  • 半灵活的对接 (刚性受体,灵活的连接体) 很受欢迎,但忽略了蛋白质的结构变化.
  • 像分子动力学这样的完全灵活的方法是准确的,但在计算上昂贵.

研究的目的:

  • 引入DSDPFlex,一种改进的灵活接收器对接方法.
  • 为了提高虚拟选应用程序的效率和准确性.
  • 解决当前对接方法在建模蛋白质灵活性方面的局限性.

主要方法:

  • 开发了DSDPFlex,这是一种灵活的接收器对接方法,利用GPU并行.
  • 在采样,评分和搜索空间中实现了优化.
  • 在apo和AlphaFold2预测结构上使用交叉对接和选来评估性能.

主要成果:

  • 与AutoDock Vina相比,DSDPFlex在交叉对接中表现出更高的准确性.
  • 在灵活接收器任务中,比Vina提高了100倍的速度.
  • 展示了灵活受体方法在次优口袋上的优势.

结论:

  • DSDPFlex提供了速度和准确性的平衡,以实现灵活的对接.
  • 该方法在虚拟选中是有效的,特别是在低于最佳的口袋或预测结构的情况下.
  • DSDPFlex对于推进基于对接的药物发现研究具有重大潜力.