Nature Communications (Aug 2022)

Omicron SARS-CoV-2 mutations stabilize spike up-RBD conformation and lead to a non-RBM-binding monoclonal antibody escape

  • Zhennan Zhao,
  • Jingya Zhou,
  • Mingxiong Tian,
  • Min Huang,
  • Sheng Liu,
  • Yufeng Xie,
  • Pu Han,
  • Chongzhi Bai,
  • Pengcheng Han,
  • Anqi Zheng,
  • Lutang Fu,
  • Yuanzhu Gao,
  • Qi Peng,
  • Ying Li,
  • Yan Chai,
  • Zengyuan Zhang,
  • Xin Zhao,
  • Hao Song,
  • Jianxun Qi,
  • Qihui Wang,
  • Peiyi Wang,
  • George F. Gao

DOI
https://doi.org/10.1038/s41467-022-32665-7
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 12

Abstract

Read online

The SARS-CoV-2 Omicron variant spreads rapidly. Here the authors show that Omicron S preferentially adopts the one-RBD-up conformation, which leads to a non-RBM-binding monoclonal antibody escape. Mutagenesis reveals that S371L, S373P and S375F substitutions enhance the conformational stability.