HIV-1 Envelope Conformation, Allostery, and Dynamics.
HIV-1 Envelope Conformation, Allostery, and Dynamics.
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DOI:
10.3390/v13050852
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发表时间:
2021-05-07
期刊:
影响因子:
--
通讯作者:
Henderson R
中科院分区:
文献类型:
--
作者:
Bennett AL;Henderson R
The HIV-1 envelope glycoprotein (Env) mediates host cell fusion and is the primary target for HIV-1 vaccine design. The Env undergoes a series of functionally important conformational rearrangements upon engagement of its host cell receptor, CD4. As the sole target for broadly neutralizing antibodies, our understanding of these transitions plays a critical role in vaccine immunogen design. Here, we review available experimental data interrogating the HIV-1 Env conformation and detail computational efforts aimed at delineating the series of conformational changes connecting these rearrangements. These studies have provided a structural mapping of prefusion closed, open, and transition intermediate structures, the allosteric elements controlling rearrangements, and state-to-state transition dynamics. The combination of these investigations and innovations in molecular modeling set the stage for advanced studies examining rearrangements at greater spatial and temporal resolution.
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