| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66047184 |
| Locus Tag | Psyr_3957 |
| Description | anti sigma-E protein RseA |
| Strain | Pseudomonas entomophila L48 |
| GI | 104783268 |
| Locus Tag | PSEEN4295 |
| Description | sigma factor algU negative regulatory protein MucA |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898406 |
| Locus Tag | AvCA6_13700 |
| Description | sigma factor algU negative regulatory protein MucA |