| Strain | Pseudomonas putida W619 |
| GI | 170720670 |
| Locus Tag | PputW619_1484 |
| Description | histidine kinase |
| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218890978 |
| Locus Tag | PALES_22411 |
| Description | putative sensor/response regulator hybrid |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645119 |
| Locus Tag | HCH_02306 |
| Description | signal transduction histidine kinase |