| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733108 |
| Locus Tag | PFL_5823 |
| Description | sensor histidine kinase/response regulator ChpA |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323553 |
| Locus Tag | H681_01885 |
| Description | CheA signal transduction histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |