| Strain | Pseudomonas fulva 12-X |
| GI | 333898530 |
| Locus Tag | Psefu_0325 |
| Description | CheA signal transduction histidine kinase |
| Strain | Pseudomonas aeruginosa NCGM2.S1 |
| GI | 386068677 |
| Locus Tag | NCGM2_5785 |
| Description | chemotaxis protein histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |