| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733108 |
| Locus Tag | PFL_5823 |
| Description | sensor histidine kinase/response regulator ChpA |
| Strain | Pseudomonas putida DOT-T1E |
| GI | 397693888 |
| Locus Tag | T1E_1119 |
| Description | CheA signal transduction histidine kinase |
| Strain | Pseudomonas stutzeri CCUG 29243 |
| GI | 392419390 |
| Locus Tag | A458_01565 |
| Description | component of chemotactic signal transduction system |