| Strain | Pseudomonas putida F1 |
| GI | 148545720 |
| Locus Tag | Pput_0468 |
| Description | peptidase M23B |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386019334 |
| Locus Tag | PSTAA_0697 |
| Description | M24/M37 family peptidase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648876 |
| Locus Tag | HCH_06239 |
| Description | metalloendopeptidase-like membrane protein |