| Strain | Pseudomonas stutzeri A1501 |
| GI | 146282905 |
| Locus Tag | PST_2566 |
| Description | chemotaxis histidine kinase CheA |
| Strain | Pseudomonas putida HB3267 |
| GI | 431803650 |
| Locus Tag | B479_18590 |
| Description | CheA signal transduction histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647836 |
| Locus Tag | HCH_05168 |
| Description | chemotaxis protein histidine kinase-like kinase |