| Strain | Pseudomonas fluorescens A506 |
| GI | 387896137 |
| Locus Tag | PflA506_5046 |
| Description | sensor histidine kinase/response regulator ChpA |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386022669 |
| Locus Tag | PSTAA_4097 |
| Description | component of chemotactic signal transduction system |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |