| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596253 |
| Locus Tag | PA1056 |
| Description | probable NADH dehydrogenase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70729977 |
| Locus Tag | PFL_2609 |
| Description | monovalent cation/H+ antiporter subunit D |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643687 |
| Locus Tag | HCH_00802 |
| Description | putative monovalent cation/H+ antiporter subunit D |