| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596355 |
| Locus Tag | PA1158 |
| Description | probable two-component sensor |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229592125 |
| Locus Tag | PFLU4723 |
| Description | putative two component system, sensor kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644593 |
| Locus Tag | HCH_01758 |
| Description | signal transduction histidine kinase |