《BioRxiv,3月12日,Rigidity, normal modes and flexible motion of a SARS-CoV-2 (COVID-19) protease structure.》

  • 来源专题:COVID-19科研动态监测
  • 编译者: zhangmin
  • 发布时间:2020-03-13
  • Rigidity, normal modes and flexible motion of a SARS-CoV-2 (COVID-19) protease structure.

    Stephen Anthony Wells

    doi: https://doi.org/10.1101/2020.03.10.986190

    Abstract

    The rigidity and flexibility of two recently reported crystal structures (PDB entries 6Y2E and 6LU7) of a protease from the SARS-CoV-2 virus, the infectious agent of the COVID-19 respiratory disease, has been investigated using pebble-game rigidity analysis, elastic network model normal mode analysis, and all-atom geometric simulations. This computational investigation of the viral protease follows protocols that have been effective in studying other homodimeric enzymes. The protease is predicted to display flexible motions in vivo which directly affect the geometry of a known inhibitor binding site and which open new potential binding sites elsewhere in the structure.

    *注,本文为预印本论文手稿,是未经同行评审的初步报告,其观点仅供科研同行交流,并不是结论性内容,请使用者谨慎使用.

  • 原文来源:https://www.biorxiv.org/content/10.1101/2020.03.10.986190v1
相关报告
  • 《3月12日_SARS-CoV-2(COVID-19)蛋白酶结构的刚性、正常模式和柔性运动》

    • 来源专题:COVID-19科研动态监测
    • 编译者:zhangmin
    • 发布时间:2020-03-13
    • 1.时间:2020年3月12日 2.机构或团队:巴斯大学 3.事件概要: 英国巴斯大学的科研人员在bioRxiv预印版平台发表论文“Rigidity, normal modes and flexible motion of a SARS-CoV-2 (COVID-19) protease structure”,探讨了SARS-CoV-2(COVID-19)蛋白酶结构的刚性、正常模式和柔性运动。 最近已经报道了通过卵石博弈刚性分析(pebble-game rigidity analysis)、弹性网络结构模型和全原子模拟分析的SARS-CoV-2病毒的一种蛋白酶的两个晶体结构,病毒蛋白酶的这种计算研究遵循了在研究其他同二聚体酶中有效的方案。预测该蛋白酶在体内表现出柔性运动,其直接影响已知抑制剂结合位点的几何形状,并在结构的其他位置打开新的潜在结合位点。已经生成了代表晶体结构上自然柔性变化的生成的PDB文件的数据库,并可以从机构数据档案中下载该数据库。文章指出,该信息可能会为基于结构的药物设计和片段筛选工作提供信息,这些工作旨在为确定用于治疗COVID-19的特定抗病毒疗法打下基础。 4.附件: 原文链接: https://www.biorxiv.org/content/10.1101/2020.03.10.986190v1.full.pdf
  • 《BioRxiv,3月12日,The SARS-CoV-2 exerts a distinctive strategy for interacting with the ACE2 human receptor》

    • 来源专题:COVID-19科研动态监测
    • 编译者:zhangmin
    • 发布时间:2020-03-13
    • The SARS-CoV-2 exerts a distinctive strategy for interacting with the ACE2 human receptor Esther S Brielle, Dina Schneidman, Michal Linial doi: https://doi.org/10.1101/2020.03.10.986398 Abstract The COVID-19 disease has plagued over 110 countries and has resulted in over 4,000 deaths within 10 weeks. We compare the interaction between the human ACE2 receptor and the SARS-CoV-2 spike protein with that of other pathogenic coronaviruses using molecular dynamics simulations. SARS-CoV, SARS-CoV-2, and HCoV-NL63 recognize ACE2 as the natural receptor but present a distinct binding interface to ACE2 and a different network of residue-residue contacts. SARS-CoV and SARS-CoV-2 have comparable binding affinities achieved by balancing energetics and dynamics. *注,本文为预印本论文手稿,是未经同行评审的初步报告,其观点仅供科研同行交流,并不是结论性内容,请使用者谨慎使用.