| Strain | Pseudomonas putida W619 |
| GI | 170720670 |
| Locus Tag | PputW619_1484 |
| Description | histidine kinase |
| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77460200 |
| Locus Tag | Pfl01_3979 |
| Description | histidine kinase |
| Strain | Pseudomonas aeruginosa B136-33 |
| GI | 478478333 |
| Locus Tag | G655_10685 |
| Description | sensor/response regulator hybrid |