| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392981709 |
| Locus Tag | PADK2_01495 |
| Description | polyamine transport protein |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501683285 |
| Locus Tag | PFLCHA0_c58790 |
| Description | putrescine-binding periplasmic protein PotF |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501680445 |
| Locus Tag | PFLCHA0_c29970 |
| Description | putrescine-binding periplasmic protein PotF |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645024 |
| Locus Tag | HCH_02206 |
| Description | spermidine/putrescine-binding periplasmic protein |