| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152984416 |
| Locus Tag | PSPA7_4757 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397693055 |
| Locus Tag | T1E_0285 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644624 |
| Locus Tag | HCH_01790 |
| Description | RNA polymerase sigma factor RpoE |