| Strain | Pseudomonas sp. UW4 |
| GI | 426411997 |
| Locus Tag | PputUW4_05101 |
| Description | type IV pili sensor histidine kinase/response regulator |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472323553 |
| Locus Tag | H681_01885 |
| Description | CheA signal transduction histidine kinase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |