| Strain | Pseudomonas fulva 12-X |
| GI | 333900140 |
| Locus Tag | Psefu_1946 |
| Description | CheA signal transduction histidine kinase |
| Strain | Pseudomonas aeruginosa M18 |
| GI | 386059734 |
| Locus Tag | PAM18_3673 |
| Description | putative two-component sensor |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647836 |
| Locus Tag | HCH_05168 |
| Description | chemotaxis protein histidine kinase-like kinase |