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.
Overview-SARS-CoV-2 S protein processing.
| Infection stage | Location | Protease |
|---|---|---|
| Viral attachment | Cell surface | Furin/TMPRRSS2 |
| Viral endocytosis | Endosome/lysosome | Cathepsins L/B and furin |
| Viral packaging | Virus producing cell | Furin |
| Viral release | Extracellular space | Elastase |
