Review Article
SARS-CoV-2, Early Entry Events
Table 2
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 |
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