学术活动日程

剑桥大学熊晓梨教授学术讲座:Coronavirus Fusion Triggering Mechanism Revealed by Electron Microscopy

2019-03-111535

题 目:

Coronavirus Fusion Triggering Mechanism Revealed by Electron Microscopy


主讲人:

熊晓梨(MRC Laboratory of Molecular Biology)


主持人:

陈凌 教授


时 间:

2019年3月11日(星期一)上午 10:30 – 12:00


地 点:

广州医科大学越秀校区16号楼五楼东侧大会议室


内容介绍:

In this talk, Dr.Xiong will present a cryo-EM structure of the SARS-CoV S glycoprotein in complex with a neutralising antibody isolated from a SARS survivor, this structure reveals an un-expected spike protein conformation that represents a fusogenic intermediate state. This intermediate state is shown to be induced by antibody binding to the S receptor binding domain. Inspired by this structure, we confirmed, by a series of biochemical experiments, that binding of the receptor rather than pH change or proteolytic activation serves the fusion trigger for SARS-CoV and possibly other coronaviruses. This result also suggests antibodies target the S receptor binding region may be advantageous due to its potential of inducing premature fusion triggering.


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广州医科大学附属第一医院

广州呼吸健康研究院

呼吸疾病国家重点实验室

国家呼吸系统疾病临床医学研究中心

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