| Strain | Pseudomonas fulva 12-X |
| GI | 333902042 |
| Locus Tag | Psefu_3865 |
| Description | two component transcriptional regulator, winged helix family |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323607 |
| Locus Tag | H681_02155 |
| Description | DNA-binding response regulator CreB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83642976 |
| Locus Tag | HCH_00064 |
| Description | response regulator |