| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011380 |
| Locus Tag | PPUBIRD1_1789 |
| Description | NhaB |
| Strain | Pseudomonas aeruginosa C3719 |
| GI | 254234914 |
| Locus Tag | PACG_00789 |
| Description | sodium/proton antiporter NhaB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645321 |
| Locus Tag | HCH_02529 |
| Description | sodium/proton antiporter |