| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66043297 |
| Locus Tag | Psyr_0026 |
| Description | sulfate transporter/antisigma-factor antagonist STAS |
| Strain | Pseudomonas fluorescens F113 |
| GI | 378948008 |
| Locus Tag | PSF113_0066 |
| Description | sulfate permease |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053749 |
| Locus Tag | PA14_00340 |
| Description | sulfate transporter |