| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152988744 |
| Locus Tag | PSPA7_1640 |
| Description | Na(+)-translocating NADH-quinone reductase subunit E |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928204 |
| Locus Tag | Psest_3112 |
| Description | RnfABCDGE type electron transport complex subunit A |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644720 |
| Locus Tag | HCH_01895 |
| Description | Na(+)-translocating NADH-quinone reductase subunit E |