New discovery of high-affinity SARS-CoV-2 spike S2 protein binding peptide selected by PhIP-Seq

通过 PhIP-Seq 筛选出高亲和力 SARS-CoV-2 刺突 S2 蛋白结合肽的新发现

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作者:Mengyuan Chen, Shuizhen He, Hualong Xiong, Dongxu Zhang, Shaojuan Wang, Wangheng Hou, Xiaomei Zhu, Jin Wang, Yang Huang, Congming Hong, Yubin Wu, Ruoyao Qi, Tianying Zhang, Quan Yuan, Tingdong Li, Yixin Chen, Shiyin Zhang, Shengxiang Ge, Jun Zhang, Ningshao Xia

Abstract

•A peptide Spep-1 targeting S2 of SARS-CoV-2 spike protein was selected by PhIP-Seq.•Spep-1 showed nanomolar affinity and high specificity to spike protein.•S-1 based immunoassay can detect femtomolar spike antigen in spiked serum samples.•Spep-1 can be used in future on S2 recognition, virus tracing and drug delivery.

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