| Strain | Pseudomonas putida KT2440 |
| GI | 26987123 |
| Locus Tag | PP_0381 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218892069 |
| Locus Tag | PALES_33501 |
| 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 |