| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66043596 |
| Locus Tag | Psyr_0327 |
| Description | sigma-54 factor, interaction region |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407089 |
| Locus Tag | PputUW4_00175 |
| Description | sigma-54 dependent regulatory protein |
| Strain | Pseudomonas aeruginosa 39016 |
| GI | 313109367 |
| Locus Tag | PA39016_001760024 |
| Description |