| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431926889 |
| Locus Tag | Psest_1744 |
| Description | chemotaxis response regulator containing a CheY-like receiver domain and a methylesterase domain |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501679175 |
| Locus Tag | PFLCHA0_c17090 |
| Description | chemotaxis response regulator protein-glutamate methylesterase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647835 |
| Locus Tag | HCH_05166 |
| Description | chemotaxis-specific methylesterase |