| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66047185 |
| Locus Tag | Psyr_3958 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478480499 |
| Locus Tag | G655_21555 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644624 |
| Locus Tag | HCH_01790 |
| Description | RNA polymerase sigma factor RpoE |