| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28871443 |
| Locus Tag | PSPTO_4306 |
| Description | dicarboxylic acid transport protein |
| Strain | Pseudomonas putida HB3267 |
| GI | 431804229 |
| Locus Tag | B479_21500 |
| Description | major facilitator superfamily metabolite/H(+) symporter |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482900241 |
| Locus Tag | AvCA6_18040 |
| Description | dicarboxylate or citrate transporter (MFS superfamily) |