| Strain | Pseudomonas protegens Pf-5 |
| GI | 70730027 |
| Locus Tag | PFL_2659 |
| Description | TRAP dicarboxylate transporter subunit DctQ |
| Strain | Pseudomonas aeruginosa M18 |
| GI | 386060215 |
| Locus Tag | PAM18_4154 |
| Description | putative C4-dicarboxylate transporter |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649230 |
| Locus Tag | HCH_06606 |
| Description | TRAP-type C4-dicarboxylate transporter small permease |