| 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 poae RE*1-1-14 |
| GI | 447917590 |
| Locus Tag | H045_12985 |
| Description | chemotaxis-specific protein-glutamate methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647835 |
| Locus Tag | HCH_05166 |
| Description | chemotaxis-specific methylesterase |