| Strain | Pseudomonas putida KT2440 |
| GI | 26987629 |
| Locus Tag | PP_0893 |
| Description | Pfpi family intracellular protease |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339493126 |
| Locus Tag | PSTAB_1049 |
| Description | ThiJ/PfpI family protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644761 |
| Locus Tag | HCH_01939 |
| Description | putative intracellular protease/amidase |