| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599699 |
| Locus Tag | PA4503 |
| Description | probable permease of ABC transporter |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407655 |
| Locus Tag | PputUW4_00742 |
| Description | nickel transporter permease |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83642925 |
| Locus Tag | HCH_00012 |
| Description | dipeptide/oligopeptide/nickel ABC transporter permease |