| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28869160 |
| Locus Tag | PSPTO_1956 |
| Description | sigma-54 dependent transcriptional regulator/response regulator FleR |
| Strain | Pseudomonas sp. UW4 |
| GI | 426410778 |
| Locus Tag | PputUW4_03880 |
| Description | Fis family two component sigma-54 specific transcriptional regulator |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254239468 |
| Locus Tag | PA2G_00081 |
| Description | two-component response regulator |