| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599700 |
| Locus Tag | PA4504 |
| Description | probable permease of ABC transporter |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407654 |
| Locus Tag | PputUW4_00741 |
| Description | nickel transporter permease |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644661 |
| Locus Tag | HCH_01832 |
| Description | dipeptide/oligopeptide/nickel ABC transporter permease |