| Strain | Pseudomonas mendocina NK-01 |
| GI | 330502416 |
| Locus Tag | MDS_1502 |
| Description | multiple resistance and pH regulation protein F |
| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392985464 |
| Locus Tag | PADK2_20390 |
| Description | monovalent cation/H+ antiporter subunit F |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643685 |
| Locus Tag | HCH_00800 |
| Description | multisubunit Na+/H+ antiporter subunit MnhF |