| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152989170 |
| Locus Tag | PSPA7_5003 |
| Description | ubiquinol-cytochrome c reductase iron-sulfur subunit |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512683884 |
| Locus Tag | PP4_08270 |
| 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 |