| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386022550 |
| Locus Tag | PSTAA_3978 |
| Description | sensor histidine kinase/response regulator |
| Strain | Pseudomonas poae RE*1-1-14 |
| GI | 447916712 |
| Locus Tag | H045_08570 |
| Description | putative two-component system histidine kinase/response regulator fusion |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646964 |
| Locus Tag | HCH_04267 |
| Description | signal transduction histidine kinase |