| Strain | Pseudomonas aeruginosa RP73 |
| GI | 514408792 |
| Locus Tag | M062_07055 |
| Description | cation transporter |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324356 |
| Locus Tag | H681_05910 |
| Description | cation diffusion facilitator family transporter |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70729876 |
| Locus Tag | PFL_2508 |
| Description | cation efflux protein |