| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218889096 |
| Locus Tag | PALES_03521 |
| Description | protease PfpI |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397693106 |
| Locus Tag | T1E_0336 |
| Description | PfpI family intracellular peptidase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645817 |
| Locus Tag | HCH_03061 |
| Description | putative intracellular protease/amidase |