| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867787 |
| Locus Tag | PSPTO_0559 |
| Description | sensory box histidine kinase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431800461 |
| Locus Tag | B479_02525 |
| Description | PAS/PAC sensor signal transduction histidine kinase |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482900179 |
| Locus Tag | AvCA6_17340 |
| Description | intracellular sensory histidine protein kinase, two component |