| Strain | Pseudomonas fluorescens A506 |
| GI | 387892252 |
| Locus Tag | PflA506_1028 |
| Description | ECF subfamily RNA polymerase sigma-70 factor |
| Strain | Pseudomonas sp. UW4 |
| GI | 426407749 |
| Locus Tag | PputUW4_00836 |
| Description | ECF subfamily RNA polymerase sigma factor |
| Strain | Pseudomonas putida NBRC 14164 |
| GI | 512683826 |
| Locus Tag | PP4_07690 |
| Description | putative RNA polymerase ECF-type sigma factor |