Major identified pathogen-associated microbial proteases
| Protease category | Microbial proteases | Examples of pathogens |
|---|---|---|
| Aspartic | Type 4 prepilin peptidase | Enterohaemorrhagic escherichia coli |
| Preflagellin | Archaeal bacteria | |
| Cysteine | Sortases | Enterococcus faecalis |
| Gingipains | Porphyromonas gingivalis | |
| Staphopain | Staphylococcus aureus | |
| Serine | Subtilisin | Clostridium difficile |
| Elastase | Pseudomonas aeruginosa | |
| Metalloproteinases | Fragilysin | Enterotoxigenic Bacteroides fragilis |
| Gelatinase | E. faecalis | |
| Elastase | P. aeruginosa, Helicobacter pylori | |
| Collagenase | Salmonella typhimurium |