| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595610 |
| Locus Tag | PA0413 |
| Description | component of chemotactic signal transduction system |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330812348 |
| Locus Tag | PSEBR_a5306 |
| Description | histidine kinase, CheA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |