| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053313 |
| Locus Tag | PA14_68250 |
| Description | two-component response regulator |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431929332 |
| Locus Tag | Psest_4267 |
| Description | response regulator with CheY-like receiver, AAA-type ATPase, and DNA-binding domains |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643228 |
| Locus Tag | HCH_00326 |
| Description | sigma 54-dependent transcriptional activator |