| Strain | Pseudomonas stutzeri A1501 |
| GI | 146282341 |
| Locus Tag | PST_1978 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Pseudomonas putida HB3267 |
| GI | 431800432 |
| Locus Tag | B479_02380 |
| 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 |