| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71733653 |
| Locus Tag | PSPPH_4705 |
| Description | pyrroloquinoline quinone biosynthesis protein PqqB |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501683032 |
| Locus Tag | PFLCHA0_c56260 |
| Description | coenzyme PQQ synthesis protein B |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927398 |
| Locus Tag | Psest_2273 |
| Description | coenzyme PQQ biosynthesis protein B |