| Strain | Pseudomonas fluorescens A506 |
| GI | 387895993 |
| Locus Tag | PflA506_4900 |
| Description | coenzyme PQQ biosynthesis protein B |
| Strain | Pseudomonas sp. UW4 |
| GI | 426411862 |
| Locus Tag | PputUW4_04966 |
| Description | pyrroloquinoline quinone biosynthesis protein PqqB |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512683466 |
| Locus Tag | PP4_04090 |
| Description | coenzyme PQQ synthesis protein B |