| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597169 |
| Locus Tag | PA1973 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867743 |
| Locus Tag | PSPTO_0514 |
| Description | coenzyme PQQ synthesis protein F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647677 |
| Locus Tag | HCH_05001 |
| Description | secreted/periplasmic Zn-dependent peptidase, insulinase-like |