From the Wiki page for Furin > ...must be cleaved by furin or furin-like proteases to become fully functional. Anthrax toxin, pseudomonas exotoxin, and papillo

From the Wiki page for Furin > ...must be cleaved by furin or furin-like proteases to become fully functional. Anthrax toxin, pseudomonas exotoxin, and papillomaviruses must be processed by furin during their initial entry into host cells. From the sound of this: - the site on the virus gets cleaved - Furin enables the cleaving - Furin exists in hosts cells What I think I understand is, the cleaving makes it easier for the virus to reproduce inside the cell? edit: turns out I have no idea how to format things on HN