Table 4. Protease families that are significantly more abundant in the genomes of predators that in the genomes of non-predators.
| Protease type | MEROPS family | Indicator value |
|---|---|---|
| Metallo- | (M1) Aminopeptidase N | 82 |
| Serine- | (S1) Chymotrypsin | 79.3 |
| Serine- | (S8) Subtilisin | 76.1 |
| Metallo- | (M23) Endopeptidases that lyse bacterial cell wall peptidoglycans | 73.9 |
| Metallo- | (M16) Pitrilysin | 67.9 |
| Metallo- | (M3) Metallopeptidases with varied activities | 66.3 |
| (A8) Signal peptidase II | 66 | |
| Serine- | (S54) Rhomboid | 65.9 |
| Metallo- | (M12) Astacin/adamalysin | 63.6 |
| Metallo- | (M50) S2P protease | 63.6 |
| Serine- | (S41) C-terminal processing peptidase | 62.4 |
| Metallo- | (M28) Aminopeptidase Y | 60.4 |
| Unknown | (U32) Collagenase | 60.2 |
Groups are based on the MEROPS classification. Indicator values are after Dufrene and Legendre (1997)