Dynamics of SARS-coronavirus HR2 domain in the prefusion and transition states.

Dynamics of SARS-coronavirus HR2 domain in the prefusion and transition states.
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DOI:
10.1016/j.jmr.2009.09.012
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发表时间:
2009-12
期刊:
Journal of magnetic resonance (San Diego, Calif. : 1997)
影响因子:
--
通讯作者:
Caffrey M
Caffrey M
中科院分区:
其他
文献类型:
--
作者:
McReynolds S;Jiang S;Rong L;Caffrey M

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严重急性呼吸综合征冠状病毒(SARS-CoV)的包膜糖蛋白S1和S2通过从融合前状态到融合后状态的构象变化介导病毒进入,所述构象变化使得病毒和靶膜融合。在这项工作中,我们提出的动态特性的SARS-CoV S2-HR 2域(残基1141-1193的S)在融合前和新发现的过渡态的NMR 15 N弛豫研究的表征。在不同的实验条件下稳定的不同状态的动态特性,扩展了目前的病毒膜融合模型,并深入了解基于结构的拮抗剂的设计,特别是SARS-CoV,以及其他包膜病毒,如HIV。
The envelope glycoproteins S1 and S2 of severe acute respiratory syndrome coronavirus (SARS-CoV) mediate viral entry by conformational change from a prefusion state to a postfusion state that enables fusion of the viral and target membranes. In this work we present the characterization of the dynamic properties of the SARS-CoV S2-HR2 domain (residues 1141–1193 of S) in the prefusion and newly discovered transition states by NMR 15N relaxation studies. The dynamic properties of the different states, which are stabilized under different experimental conditions, extend the current model of viral membrane fusion and give insight into the design of structure-based antagonists of SARS-CoV in particular, as well as other enveloped viruses such as HIV.
副粉状蛋白在其亚稳态的预融合构象中的结构。
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