| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596354 |
| Locus Tag | PA1157 |
| Description | probable two-component response regulator |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397687576 |
| Locus Tag | PSJM300_12365 |
| Description | two component transcriptional regulator |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644592 |
| Locus Tag | HCH_01757 |
| Description | response regulator |