| Strain | Pseudomonas mendocina ymp |
| GI | 146309310 |
| Locus Tag | Pmen_4296 |
| Description | tripartite ATP-independent periplasmic transporter DctQ |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501680175 |
| Locus Tag | PFLCHA0_c27260 |
| Description | putative C4-dicarboxylate transporter |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649230 |
| Locus Tag | HCH_06606 |
| Description | TRAP-type C4-dicarboxylate transporter small permease |