| Strain | Pseudomonas mendocina NK-01 |
| GI | 330502437 |
| Locus Tag | MDS_1523 |
| Description | RNA polymerase sigma factor AlgU |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512619924 |
| Locus Tag | PCA10_42710 |
| Description | RNA polymerase sigma-22 factor AlgT |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229588994 |
| Locus Tag | PFLU1467 |
| Description | RNA polymerase sigma factor AlgU |