| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77457591 |
| Locus Tag | Pfl01_1364 |
| Description | sigma-E regulatory protein, MucB/RseB |
| Strain | Pseudomonas sp. UW4 |
| GI | 426408192 |
| Locus Tag | PputUW4_01280 |
| Description | sigma factor algU regulatory protein MucB |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70728829 |
| Locus Tag | PFL_1450 |
| Description | sigma factor AlgU regulatory protein MucB |