| Strain | Pseudomonas mendocina NK-01 |
| GI | 330503212 |
| Locus Tag | MDS_2298 |
| Description | integral membrane sensor hybrid histidine kinase |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472325151 |
| Locus Tag | H681_09915 |
| Description | putative sensor/response regulator hybrid |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646635 |
| Locus Tag | HCH_03924 |
| Description | signal transduction histidine kinase |