| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598453 |
| Locus Tag | PA3257 |
| Description | periplasmic tail-specific protease |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512616920 |
| Locus Tag | PCA10_12670 |
| Description | tail-specific protease Prc |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28871037 |
| Locus Tag | PSPTO_3885 |
| Description | tail-specific protease |