| Strain | Pseudomonas fluorescens A506 |
| GI | 387891456 |
| Locus Tag | PflA506_0210 |
| Description | sulfate ester ABC transporter, periplasmic sulfate ester-binding protein AtsR |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407081 |
| Locus Tag | PputUW4_00167 |
| Description | periplasmic aliphatic sulfonates-binding protein |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512683283 |
| Locus Tag | PP4_02260 |
| Description | sulfate ester ABC transporter substrate-binding protein |