| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596253 |
| Locus Tag | PA1056 |
| Description | probable NADH dehydrogenase |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501680125 |
| Locus Tag | PFLCHA0_c26760 |
| Description | putative K(+)/H(+) antiporter subunit D |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643687 |
| Locus Tag | HCH_00802 |
| Description | putative monovalent cation/H+ antiporter subunit D |