| Strain | Pseudomonas putida KT2440 |
| GI | 26989661 |
| Locus Tag | PP_2942 |
| Description | response regulator |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478478623 |
| Locus Tag | G655_12145 |
| Description | putative two-component response regulator |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646732 |
| Locus Tag | HCH_04027 |
| Description | response regulator |