| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116048988 |
| Locus Tag | PA14_50680 |
| Description | monovalent cation/H+ antiporter subunit G |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512617262 |
| Locus Tag | PCA10_16090 |
| Description | Na(+)/H(+) antiporter subunit G |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28870637 |
| Locus Tag | PSPTO_3476 |
| Description | potassium efflux system protein PhaG |