| Strain | Pseudomonas protegens CHA0 |
| GI | 501683069 |
| Locus Tag | PFLCHA0_c56630 |
| Description | transcriptional regulatory protein CreB |
| 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 |