| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732958 |
| Locus Tag | PFL_5672 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687062 |
| Locus Tag | PSJM300_09785 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647677 |
| Locus Tag | HCH_05001 |
| Description | secreted/periplasmic Zn-dependent peptidase, insulinase-like |