| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71733230 |
| Locus Tag | PSPPH_4016 |
| Description | dicarboxylic acid transport protein |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386013689 |
| Locus Tag | PPUBIRD1_4182 |
| Description | Major facilitator superfamily metabolite/H(+) symporter |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482900241 |
| Locus Tag | AvCA6_18040 |
| Description | dicarboxylate or citrate transporter (MFS superfamily) |