| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011345 |
| Locus Tag | PPUBIRD1_1751 |
| Description | GacA |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478478608 |
| Locus Tag | G655_12070 |
| Description | response regulator GacA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646746 |
| Locus Tag | HCH_04041 |
| Description | response regulator |