| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927500 |
| Locus Tag | Psest_2382 |
| Description | pyrroloquinoline quinone synthesis related protease (pqqF) |
| Strain | Pseudomonas sp. UW4 |
| GI | 426411860 |
| Locus Tag | PputUW4_04964 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647677 |
| Locus Tag | HCH_05001 |
| Description | secreted/periplasmic Zn-dependent peptidase, insulinase-like |