| Strain | Pseudomonas protegens CHA0 |
| GI | 501678952 |
| Locus Tag | PFLCHA0_c14850 |
| Description | sigma factor AlgU negative regulatory protein MucA |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324511 |
| Locus Tag | H681_06705 |
| Description | anti-sigma factor |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644625 |
| Locus Tag | HCH_01791 |
| Description | sigma factor algU negative regulatory protein MucA |