| Strain | Pseudomonas fluorescens F113 |
| GI | 378950313 |
| Locus Tag | PSF113_2395 |
| Description | Na(+) H(+) antiporter subunit A, Na(+) H(+) antiporter subunit B |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687908 |
| Locus Tag | PSJM300_14035 |
| Description | monovalent cation/H+ antiporter subunit A |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643689 |
| Locus Tag | HCH_00804 |
| Description | putative monovalent cation/H+ antiporter subunit A |