| Strain | Pseudomonas fluorescens F113 |
| GI | 378950310 |
| Locus Tag | PSF113_2392 |
| Description | Na(+) H(+) antiporter subunit E |
| Strain | Pseudomonas putida S16 |
| GI | 339486757 |
| Locus Tag | PPS_1836 |
| Description | putative monovalent cation/H+ antiporter subunit E |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254239415 |
| Locus Tag | PA2G_00028 |
| Description | conserved hypothetical protein |