| Strain | Pseudomonas protegens CHA0 |
| GI | 501678753 |
| Locus Tag | PFLCHA0_c12830 |
| Description | putative potassium transport system protein Kup |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447915584 |
| Locus Tag | H045_02900 |
| Description | low affinity potassium transporter protein |
| Strain | Pseudomonas entomophila L48 |
| GI | 104783089 |
| Locus Tag | PSEEN4112 |
| Description | Kup system potassium uptake protein |