| Strain | Pseudomonas mendocina ymp |
| GI | 146305448 |
| Locus Tag | Pmen_0408 |
| Description | CheA signal transduction histidine kinase |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77461525 |
| Locus Tag | Pfl01_5304 |
| Description | CheA Signal transduction histidine kinase (STHK) |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |