| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116051604 |
| Locus Tag | PA14_17640 |
| Description | polyamine transport protein PotA |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330807726 |
| Locus Tag | PSEBR_a1011 |
| Description | ABC transporter ATP-binding protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645027 |
| Locus Tag | HCH_02209 |
| Description | putrescine/spermidine ABC transporter ATPase |