| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596655 |
| Locus Tag | PA1458 |
| Description | probable two-component sensor |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330808238 |
| Locus Tag | PSEBR_a1501 |
| Description | histidine kinase, CheA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647836 |
| Locus Tag | HCH_05168 |
| Description | chemotaxis protein histidine kinase-like kinase |