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Literature summary for 3.1.3.16 extracted from
- Partial purification and biochemical characterization of a heteromeric protein phosphatase 2A holoenzyme from maize (Zea mays L.) leaves that dephosphorylates C4 phosophoenolpyruvate carboxylase (2001), Planta, 213, 379-389.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| poly-L-lysine | - |
Zea mays |  |
| protamine | - |
Zea mays | |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| D-glucose 6-phosphate | - |
Zea mays | |
| L-malate | - |
Zea mays | |
| microcystin-LR | - |
Zea mays | |
| okadaic acid | IC50: 0.03 nM | Zea mays | |
| phosphoenolpyruvate | - |
Zea mays | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 38000 | - |
alphbetagamma, 1 * 38000 + 1 * 65000 + 1 * 74000, SDS-PAGE | Zea mays |
| 65000 | - |
alphbetagamma, 1 * 38000 + 1 * 65000 + 1 * 74000, SDS-PAGE | Zea mays |
| 74000 | - |
alphbetagamma, 1 * 38000 + 1 * 65000 + 1 * 74000, SDS-PAGE | Zea mays |
| 170000 | - |
gel filtration | Zea mays |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphorylated phosphoenolpyruvate carboxylase + H2O | Zea mays | - |
phosphoenolpyruvate carboxylase + phosphate | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Zea mays | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | Zea mays |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Zea mays | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphorylated casein + H2O | - |
Zea mays | casein + phosphate | - |
? | |
| phosphorylated phosphoenolpyruvate carboxylase + H2O | - |
Zea mays | phosphoenolpyruvate carboxylase + phosphate | - |
? | |
| phosphorylated phosphorylase alpha + H2O | - |
Zea mays | phosphorylase alpha + phosphate | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| heterotrimer | alphbetagamma, 1 * 38000 + 1 * 65000 + 1 * 74000, SDS-PAGE | Zea mays |
IC50 Value
| IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
|---|---|---|---|---|---|
| 0.00000003 | - |
IC50: 0.03 nM | Zea mays | okadaic acid | |
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