| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599231 |
| Locus Tag | PA4036 |
| Description | probable two-component sensor |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501677496 |
| Locus Tag | PFLCHA0_c00110 |
| Description | CHASE domain/sensory box histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647685 |
| Locus Tag | HCH_05010 |
| Description | signal transduction histidine kinase |