| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053313 |
| Locus Tag | PA14_68250 |
| Description | two-component response regulator |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28872507 |
| Locus Tag | PSPTO_5399 |
| Description | sigma-54 dependent transcriptional regulator/response regulator |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643228 |
| Locus Tag | HCH_00326 |
| Description | sigma 54-dependent transcriptional activator |