| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456439 |
| Locus Tag | Pfl01_0211 |
| Description | sulfate ester transport system substrate-binding protein |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407081 |
| Locus Tag | PputUW4_00167 |
| Description | periplasmic aliphatic sulfonates-binding protein |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733714 |
| Locus Tag | PFL_0208 |
| Description | sulfate ester ABC transporter periplasmic sulfate ester-binding protein AtsR |