| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71733738 |
| Locus Tag | PSPPH_4703 |
| Description | coenzyme PQQ biosynthesis protein PqqF |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512618809 |
| Locus Tag | PCA10_31560 |
| 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 |