| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456515 |
| Locus Tag | Pfl01_0287 |
| Description | two component, sigma-54 specific, Fis family transcriptional regulator |
| Strain | Pseudomonas aeruginosa 39016 |
| GI | 313110229 |
| Locus Tag | PA39016_002290009 |
| Description |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643228 |
| Locus Tag | HCH_00326 |
| Description | sigma 54-dependent transcriptional activator |