| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15597690 |
| Locus Tag | PA2494 |
| Description | Resistance-Nodulation-Cell Division (RND) multidrug efflux transporter MexF |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229590389 |
| Locus Tag | PFLU2930 |
| Description | putative cation efflux protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649548 |
| Locus Tag | HCH_06941 |
| Description | cation/multidrug efflux pump |