| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116054144 |
| Locus Tag | PA14_05390 |
| Description | ChpA |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431925509 |
| Locus Tag | Psest_0302 |
| Description | chemotaxis protein histidine kinase-like protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643436 |
| Locus Tag | HCH_00541 |
| Description | chemotaxis protein histidine kinase-like kinase |