| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152989718 |
| Locus Tag | PSPA7_4320 |
| Description | putative monovalent cation/H+ antiporter subunit F |
| Strain | Pseudomonas fulva 12-X |
| GI | 333901511 |
| Locus Tag | Psefu_3328 |
| Description | multiple resistance and pH regulation protein F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643685 |
| Locus Tag | HCH_00800 |
| Description | multisubunit Na+/H+ antiporter subunit MnhF |