| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77458814 |
| Locus Tag | Pfl01_2589 |
| Description | sodium/proton antiporter |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011380 |
| Locus Tag | PPUBIRD1_1789 |
| Description | NhaB |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116049770 |
| Locus Tag | PA14_41000 |
| Description | sodium/proton antiporter |