ChAdOx1 COVID vaccines express RBD open prefusion SARS-CoV-2 spikes on the cell surface
P. Zhang, S. Gilbert, J. Radecke, T. Ni, L. Mendonca, Y. Zhu, A. Howe, P. M. Shah, Y. Sheng, A.-S. Krebs, H. M. E. Duyvesteyn, E. Allen, T. Lambe, C. Bissett, S. Morris, , D. I. Stuart
This study determines the native structure of ChAdOx1-vectored SARS-CoV-2 vaccines on cell surfaces, showing prefusion spikes in one-RBD-up conformation and improved RBD exposure in HexaPro-stabilized variants.
bioRxiv · May 22, 2023Microbiology