| Strain | Pseudomonas stutzeri A1501 |
| GI | 146281450 |
| Locus Tag | PST_1064 |
| Description | ubiquinol--cytochrome c reductase, cytochrome b |
| Strain | Pseudomonas aeruginosa PACS2 |
| GI | 107099985 |
| Locus Tag | PaerPA_01001006 |
| Description | hypothetical protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648539 |
| Locus Tag | HCH_05899 |
| Description | cytochrome subunit B of the bc complex |