| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392981826 |
| Locus Tag | PADK2_02080 |
| Description | component of chemotactic signal transduction system |
| Strain | Pseudomonas sp. UW4 |
| GI | 426411997 |
| Locus Tag | PputUW4_05101 |
| Description | type IV pili sensor histidine kinase/response regulator |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |