| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867358 |
| Locus Tag | PSPTO_0118 |
| Description | Na/Pi cotransporter family protein |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386009810 |
| Locus Tag | PPUBIRD1_0174 |
| Description | Sodium-dependent inorganic phosphate (Pi) transporter |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482899192 |
| Locus Tag | AvCA6_01780 |
| Description | Na/Pi cotransporter II protein |