| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229588741 |
| Locus Tag | PFLU1204 |
| Description | low affinity potassium transporter protein |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501678753 |
| Locus Tag | PFLCHA0_c12830 |
| Description | putative potassium transport system protein Kup |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512684196 |
| Locus Tag | PP4_11390 |
| Description | potassium uptake protein Kup |