| Strain | Pseudomonas mendocina ymp |
| GI | 146306966 |
| Locus Tag | Pmen_1937 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501683030 |
| Locus Tag | PFLCHA0_c56240 |
| 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 |