| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71737663 |
| Locus Tag | PSPPH_4708 |
| Description | pyrroloquinoline quinone biosynthesis protein PqqE |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501683034 |
| Locus Tag | PFLCHA0_c56280 |
| Description | coenzyme PQQ synthesis protein E |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431927395 |
| Locus Tag | Psest_2270 |
| Description | coenzyme PQQ biosynthesis protein E |