| Strain | Pseudomonas mendocina NK-01 |
| GI | 330501381 |
| Locus Tag | MDS_0467 |
| Description | CheA signal transduction histidine kinase |
| Strain | Pseudomonas stutzeri DSM 4166 |
| GI | 386022669 |
| Locus Tag | PSTAA_4097 |
| Description | component of chemotactic signal transduction system |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28872144 |
| Locus Tag | PSPTO_5030 |
| Description | sensor histidine kinase/response regulator |