| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152989170 |
| Locus Tag | PSPA7_5003 |
| Description | ubiquinol-cytochrome c reductase iron-sulfur subunit |
| Strain | Pseudomonas putida HB3267 |
| GI | 431804331 |
| Locus Tag | B479_22010 |
| Description | ubiquinol-cytochrome c reductase, iron-sulfur subunit |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648540 |
| Locus Tag | HCH_05900 |
| Description | ubiquinol-cytochrome c reductase, iron-sulfur subunit |