| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599231 |
| Locus Tag | PA4036 |
| Description | probable two-component sensor |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229587585 |
| Locus Tag | PFLU0007 |
| Description | putative two-component system sensor kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647685 |
| Locus Tag | HCH_05010 |
| Description | signal transduction histidine kinase |