| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011380 |
| Locus Tag | PPUBIRD1_1789 |
| Description | NhaB |
| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392984707 |
| Locus Tag | PADK2_16565 |
| Description | sodium/proton antiporter |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645321 |
| Locus Tag | HCH_02529 |
| Description | sodium/proton antiporter |