| Strain | Pseudomonas fluorescens F113 |
| GI | 378953501 |
| Locus Tag | PSF113_5622 |
| Description | protein SpuE/PotF2 |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501683285 |
| Locus Tag | PFLCHA0_c58790 |
| Description | putrescine-binding periplasmic protein PotF |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512688309 |
| Locus Tag | PP4_52520 |
| Description | polyamine ABC transporter substrate-binding protein SpuE |