| Strain | Pseudomonas aeruginosa M18 |
| GI | 386057546 |
| Locus Tag | PAM18_1479 |
| Description | putative NADH:ubiquinone oxidoreductase, subunit RnfA |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339493196 |
| Locus Tag | PSTAB_1119 |
| Description | electron transport complex protein rnfA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644720 |
| Locus Tag | HCH_01895 |
| Description | Na(+)-translocating NADH-quinone reductase subunit E |