| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116048984 |
| Locus Tag | PA14_50720 |
| Description | monovalent cation/H+ antiporter subunit C |
| Strain | Pseudomonas fulva 12-X |
| GI | 333901514 |
| Locus Tag | Psefu_3331 |
| Description | NADH-ubiquinone oxidoreductase subunit 4L |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643688 |
| Locus Tag | HCH_00803 |
| Description | putative monovalent cation/H+ antiporter subunit C |