| Strain | Pseudomonas putida BIRD-1 |
| GI | 386012951 |
| Locus Tag | PPUBIRD1_3428 |
| Description | Putative monovalent cation/H+ antiporter subunit F |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501680123 |
| Locus Tag | PFLCHA0_c26740 |
| Description | potassium efflux system protein PhaF |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254239416 |
| Locus Tag | PA2G_00029 |
| Description | conserved hypothetical protein |