| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867420 |
| Locus Tag | PSPTO_0180 |
| Description | Trk system potassium uptake protein TrkA |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254243129 |
| Locus Tag | PA2G_03926 |
| Description | potassium uptake protein TrkA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83642940 |
| Locus Tag | HCH_00027 |
| Description | potassium transporter peripheral membrane protein |