| Strain | Pseudomonas putida W619 |
| GI | 170720670 |
| Locus Tag | PputW619_1484 |
| Description | histidine kinase |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326281 |
| Locus Tag | H681_15595 |
| Description | sensor/response regulator hybrid |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645119 |
| Locus Tag | HCH_02306 |
| Description | signal transduction histidine kinase |