| Strain | Pseudomonas fluorescens A506 |
| GI | 387895993 |
| Locus Tag | PflA506_4900 |
| Description | coenzyme PQQ biosynthesis protein B |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397694933 |
| Locus Tag | T1E_2174 |
| Description | Coenzyme PQQ synthesis protein B |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254240423 |
| Locus Tag | PA2G_01072 |
| Description | pyrroloquinoline quinone biosynthesis protein B |