Table 1. Diversity of substrates of plant ABC transporters.
Only transporters for which the substrates have been identified by direct transport (flow across a membrane) are listed. See text for details and references.
| ABC Subfamily | Transporter Name | Substrate(s) |
|---|---|---|
| ABCA | AtABCA9 | Fatty acids/acyl-CoA |
| ABCB | AtABCB1 | Auxins |
| AtABCB4 | Auxins | |
| AtABCB14 | Malate/auxins | |
| AtABCB15 | Auxins | |
| AtABCB19 | Auxins | |
| AtABCB21 | Auxins | |
| AtABCB25 | Glutathione polysulfides | |
| CjMDR1 | Alkaloids | |
| CjABCB2 | Alkaloids | |
| LeMDR1 | Alkaloids | |
| LjABCB1 | Auxins | |
| OsABCB14 | Auxins | |
| TwMDR1 | Alkaloids | |
| ZmABCB1 | Auxins | |
| ABCC | AtABCC1 | Xenobiotics |
| AtABCC2 | Xenobiotics | |
| AtABCC3 | Xenobiotics | |
| AtABCC4 | Xenobiotics | |
| AtABCC5 | Organic anions/phytate | |
| VvABCC1 | Anthocyanins | |
| ABCF | MdABCF1 | S-RNase |
| ABCG | AaABCG3 | Sesquiterpenes |
| AtABCG14 | Cytokinins | |
| AtABCG16 | Jasmonic acid | |
| AtABCG25 | ABA | |
| AtABCG29 | Monolignols | |
| AtABCG30 | ABA | |
| AtABCG34 | Alkaloids | |
| AtABCG36 | Auxins/cadmium | |
| AtABCG37 | Auxins | |
| AtABCG39 | Xenobiotics | |
| AtABCG40 | ABA | |
| CrTPT2 | Alkaloids | |
| MtABCG10 | Isoflavonoids | |
| NbABCG1 | Sesquiterpenes | |
| NbABCG2 | Sesquiterpenes | |
| NtABCG1 | Diterpenes | |
| NtABCG3 | Coumarins | |
| NpABCG1 | Diterpenes | |
| PaPDR1 | Strigolactones | |
| PhABCG1 | Volatiles | |
| VmABCG1 | Alkaloids | |
| ABCI | OsSTAR1/OsSTAR2 | UDP-Glc |