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A potent Henipavirus cross-neutralizing antibody reveals a dynamic fusion-triggering pattern of the G-tetramer

Nat Commun. 2024-05; 
Pengfei Fan, Mengmeng Sun, Xinghai Zhang, Huajun Zhang, Yujiao Liu, Yanfeng Yao, Ming Li, Ting Fang, Bingjie Sun, Zhengshan Chen, Xiangyang Chi, Li Chen, Cheng Peng, Zhen Chen, Guanying Zhang, Yi Ren, Zixuan Liu, Yaohui Li, Jianmin Li, Entao Li, Wuxiang Guan, Shanshan Li, Rui Gong, Kaiming Zhang, …Sandra Chiu
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Proteins, Expression, Isolation and Analysis For SDS–PAGE, 5 μg of reduced or non-reduced protein was loaded onto a SurePAGE™ Plus, Bis-Tris, 4–12% gel (GenScript, Cat# M41210C) and subsequently migrated in Tris-MOPS running buffer at 150 V for 50 min. Get A Quote

摘要

The Hendra and Nipah viruses (HNVs) are highly pathogenic pathogens without approved interventions for human use. In addition, the interaction pattern between the attachment (G) and fusion (F) glycoproteins required for virus entry remains unclear. Here, we isolate a panel of Macaca-derived G-specific antibodies that cross-neutralize HNVs via multiple mechanisms. The most potent antibody, 1E5, confers adequate protection against the Nipah virus challenge in female hamsters. Crystallography demonstrates that 1E5 has a highly similar binding pattern to the receptor. In cryo-electron microscopy studies, the tendency of 1E5 to bind to the upper or lower heads results in two distinct quaternary structures of G. Furt... More

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