Capture of an early fusion-active conformation of HIV-1 gp41

Capture of an early fusion-active conformation of HIV-1 gp41
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DOI:
10.1038/nsb0498-276
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发表时间:
1998-04-01
期刊:
NATURE STRUCTURAL BIOLOGY
影响因子:
--
通讯作者:
Weiss, CD
Weiss, CD
中科院分区:
其他
文献类型:
--
作者:
Furuta, RA;Wild, CT;Weiss, CD

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使用HIV-1 gp31的抑制性合成肽(DP-178),我们捕获了HIV-1包膜糖蛋白(Env),该蛋白在病毒进入时发生构象变化。我们的数据显示,在GP 120与细胞受体相互作用后,DP-178结合gp41并抑制Env介导的膜融合,表明gp41卷曲的结构域需要构象变化才能进入。捕捉到这种融合活性的Env构象有助于深入了解导致Env介导的膜融合的早期事件。
Using an inhibitory synthetic peptide (DP-178) from HIV-1 gp31, we have trapped HIV-1 envelope glycoprotein (Env) undergoing conformational changes during virus entry. Our data show that DP-178 binds gp41 and inhibits Env-mediated membrane fusion after gp 120 interacts with cellular receptors, indicating that conformational changes involving the coiled coil domain of gp41 are required for entry. Capture of this fusion-active conformation of Env provides insights into the early events leading to Env-mediated membrane fusion.