| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599231 |
| Locus Tag | PA4036 |
| Description | probable two-component sensor |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733523 |
| Locus Tag | PFL_0010 |
| Description | CHASE domain/sensory box histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647685 |
| Locus Tag | HCH_05010 |
| Description | signal transduction histidine kinase |