| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116051506 |
| Locus Tag | PA14_18950 |
| Description | Na(+)-translocating NADH-quinone reductase subunit E |
| Strain | Pseudomonas putida W619 |
| GI | 170720311 |
| Locus Tag | PputW619_1125 |
| 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 |