| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597169 |
| Locus Tag | PA1973 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732958 |
| Locus Tag | PFL_5672 |
| 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 |