S:D614G and S:H655Y are gateway mutations that act epistatically to promote SARS-CoV-2 variant fitness
L. Yurkovetskiy, S. Egri, C. Kurhade, M. A. Diaz-Salinas, J. A. Jaimes, T. Nyalile, X. Xie, M. C. Choudhary, A. Dauphin, J. Z. Li, J. B. Munro, P.-Y. Shi, K. Shen, J. Luban
This study shows that S:D614G and S:H655Y mutations enhance SARS-CoV-2 infectivity by stabilizing the Spike protein in an open RBD conformation, acting epistatically with the polybasic S1/S2 cleavage site.
bioRxiv · Mar 30, 2023 · PreprintMicrobiology