| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867788 |
| Locus Tag | PSPTO_0560 |
| Description | LuxR family DNA-binding response regulator |
| Strain | Pseudomonas putida HB3267 |
| GI | 431800462 |
| Locus Tag | B479_02530 |
| Description | two component LuxR family transcriptional regulator |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482900178 |
| Locus Tag | AvCA6_17330 |
| Description | Two-component response regulator, LuxR family |