| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431928192 |
| Locus Tag | Psest_3100 |
| Description | RNA polymerase, sigma-24 subunit, RpoE |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501678951 |
| Locus Tag | PFLCHA0_c14840 |
| Description | RNA polymerase sigma-H factor AlgU |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644624 |
| Locus Tag | HCH_01790 |
| Description | RNA polymerase sigma factor RpoE |