Fig 1.
SARS-CoV-2 spike protein binding with angiotensin-converting enzyme 2 (ACE2) receptor enables viral envelope fusion with the host cell membrane and subsequent entry of the viral nucleocapsid into the cell.
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.