Table 2.
Two hundred nine transporters identified in plasma membrane of MPGs/GPGs in rice
| Substrate | Family (TCDB) | No. of transporters/channels |
|---|---|---|
| Ca2+ | TC 1.A.1-The Voltage-gated Ion Channel (VIC) Superfamily | 3 |
| TC 3.A.3-The P-type ATPase (P-ATPase) Superfamily | 9 | |
| H+ | TC 3.A.2-The H+- or Na+-translocating F-type, V-type and A-type ATPase (F-ATPase) Superfamily | 19 |
| TC 3.A.3-The P-type ATPase (P-ATPase) Superfamily | 13 | |
| TC 3.A.10-The H+, Na+-translocating Pyrophosphatase (M+-PPase) Family | 3 | |
| – | 3 | |
| K+ | TC 1.A.1-The Voltage-gated Ion Channel (VIC) Superfamily | 2 |
| TC 2.A.37-The Monovalent Cation:Proton Antiporter-2 (CPA2) Family | 10 | |
| TC 2.A.72-The K+ Uptake Permease (KUP) Family | 10 | |
| Cl− | TC 1.A.17-The Calcium-Dependent Chloride Channel (Ca-ClC) Family | 1 |
| TC 1.B.8-The Mitochondrial and Plastid Porin (MPP) Family | 3 | |
| TC 2.A.49-The Chloride Carrier/Channel (ClC) Family | 2 | |
| Mg2+ | TC 1.A.35-The CorA Metal Ion Transporter (MIT) Family | 5 |
| Anion-selective | TC 1.A.23-The Small Conductance Mechanosensitive Ion Channel (MscS) Family | 2 |
| Sugar | TC 2.A.1-The Major Facilitator Superfamily (MFS) | 17 |
| TC 2.A.2-The Glycoside-Pentoside-Hexuronide (GPH):Cation Symporter Family | 3 | |
| TC 2.A.84-The Chloroplast Maltose Exporter (MEX) Family | 2 | |
| TC 9.A.58-The Sweet; PQ-loop; Saliva; MtN3 (Sweet) Family | 2 | |
| Lipid-soluble precursor | TC 3.A.1-The ATP-binding Cassette (ABC) Superfamily | 26 |
| – | 6 | |
| Boron | TC 2.A.31-The Anion Exchanger (AE) Family | 2 |
| Phospholipid | TC 3.A.3-The P-type ATPase (P-ATPase) Superfamily | 3 |
| Amino acid/oligopeptide | TC 1.B.30-The Plastid Outer Envelope Porin of 16 kDa (OEP16) Family | 1 |
| TC 2.A.3-The Amino Acid-Polyamine-Organocation (APC) Superfamily | 2 | |
| TC 2.A.17-The Proton-dependent Oligopeptide Transporter (POT) Family | 1 | |
| TC 2.A.18-The Amino Acid/Auxin Permease (AAAP) Family | 6 | |
| TC 2.A.67-The Oligopeptide Transporter (OPT) Family | 6 | |
| Water | TC 1.A.8-The Major Intrinsic Protein (MIP) Family | 1 |
| Phosphate | TC 2.A.1-The Major Facilitator Superfamily (MFS) | 2 |
| TC 2.A.7-The Drug/Metabolite Transporter (DMT) Superfamily | 1 | |
| TC 2.A.29-The Mitochondrial Carrier (MC) Family | 4 | |
| Sulfate | TC 2.A.53-The Sulfate Permease (SulP) Family | 3 |
| Micronutrient | TC 2.A.4-The Cation Diffusion Facilitator (CDF) Family | 1 |
| TC 2.A.5-The Zinc (Zn2+)-Iron (Fe2+) Permease (ZIP) Family | 1 | |
| TC 3.A.3-The P-type ATPase (P-ATPase) Superfamily | 2 | |
| TC 3.A.19-The TMS Recognition/Insertion Complex (TRC) Family | 4 | |
| Others | TC 1.A.11-The Ammonia Channel Transporter (Amt) Family | 1 |
| TC 2.A.1-The Major Facilitator Superfamily (MFS) | 3 | |
| TC 2.A.7-The Drug/Metabolite Transporter (DMT) Superfamily | 4 | |
| TC 2.A.47-The Divalent Anion:Na + Symporter (DASS) Family | 1 | |
| TC 3.A.5-The General Secretory Pathway (Sec) Family | 2 | |
| TC 3.A.9-The Chloroplast Envelope Protein Translocase (CEPT or Tic-Toc) Family | 4 | |
| – | 13 |
“_” means no classification in TCDB