| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218892069 |
| Locus Tag | PALES_33501 |
| Description | pyrroloquinoline quinone biosynthesis protein F |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397694932 |
| Locus Tag | T1E_2173 |
| 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 |