Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main mutations in S glycoprotein that regulate viral transmissibility and neutralization. Structure of the S glycoprotein in a trimeric conformation (PDB: 6VXX); each monomer is shown in a different shade of gray, mutation sites are only shown for one monomer (light grey), and the colors used are to visualize one mutation for another.
