| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927500 |
| Locus Tag | Psest_2382 |
| Description | pyrroloquinoline quinone synthesis related protease (pqqF) |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447918664 |
| Locus Tag | H045_18370 |
| Description | putative coenzyme PQQ biosynthesis-like protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647677 |
| Locus Tag | HCH_05001 |
| Description | secreted/periplasmic Zn-dependent peptidase, insulinase-like |