| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28872583 |
| Locus Tag | PSPTO_5478 |
| Description | phosphate regulon sensor protein phoR |
| Strain | Pseudomonas putida ND6 |
| GI | 395446272 |
| Locus Tag | YSA_04875 |
| Description | PAS/PAC sensor signal transduction histidine kinase |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898577 |
| Locus Tag | AvCA6_48530 |
| Description | phosphate regulon histidine protein kinase; PhoR |