Table 1 Transport proteins in Medicago truncatula transporter database (MTDB) and classification according to Transporter Classification Database (TCDB) classes.
Type | Family | MT numbera | ARATH numberb | TCDB numberc |
|---|---|---|---|---|
1. Channels/pores | 38 | 1073 | 150 | 1262 |
2. Electrochemical potential-driven transporters | 49 | 1044 | 782 | 1643 |
3. Primary active transporters | 22 | 1037 | 293 | 2211 |
4. Group translocators | 3 | 25 | 0 | 139 |
5. Transmembrane electron carriers | 6 | 75 | 0 | 109 |
8. Accessory factors involved in transport | 11 | 81 | 0 | 148 |
9. Incompletely characterized transport systems | 33 | 330 | 53 | 452 |
Total | 162 | 3665 | 1278 | 5964 |