| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71737891 |
| Locus Tag | PSPPH_3955 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339493208 |
| Locus Tag | PSTAB_1131 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644624 |
| Locus Tag | HCH_01790 |
| Description | RNA polymerase sigma factor RpoE |