| Strain | Pseudomonas mendocina NK-01 |
| GI | 330503848 |
| Locus Tag | MDS_2934 |
| Description | pyrroloquinoline quinone biosynthesis protein PqqC |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687325 |
| Locus Tag | PSJM300_11110 |
| Description | pyrroloquinoline quinone biosynthesis protein PqqC |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867740 |
| Locus Tag | PSPTO_0511 |
| Description | coenzyme PQQ synthesis protein C |