| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600363 |
| Locus Tag | PA5170 |
| Description | arginine/ornithine antiporter |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687316 |
| Locus Tag | PSJM300_11065 |
| Description | arginine/ornithine antiporter |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648144 |
| Locus Tag | HCH_05491 |
| Description | amino acid transporter |