| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152989170 |
| Locus Tag | PSPA7_5003 |
| Description | ubiquinol-cytochrome c reductase iron-sulfur subunit |
| Strain | Pseudomonas putida H8234 |
| GI | 512582236 |
| Locus Tag | L483_27080 |
| Description | iron-sulfur protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648540 |
| Locus Tag | HCH_05900 |
| Description | ubiquinol-cytochrome c reductase, iron-sulfur subunit |