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Literature summary for 4.1.1.31 extracted from
- Coordinate regulation of phosphoenolpyruvate carboxylase and phosphoenolpyruvate carboxykinase by light and CO2 during C4 photosynthesis (2007), Plant Physiol., 144, 479-486.
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | - |
Megathyrsus maximus |  |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 70680 | - |
predicted from cDNA | Megathyrsus maximus |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Megathyrsus maximus | - |
- |
- |
Posttranslational Modification
| Posttranslational Modification | Comment | Organism |
|---|---|---|
| phosphoprotein | the protein phosphatase inhibitor, okadaic acid, promotes the phosphorylation of PEPCK | Megathyrsus maximus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Megathyrsus maximus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
it is shown that there is a positive correlation between the activation and phosphorylation states of PEPC | Megathyrsus maximus |
| additional information | - |
light 2 h + 0.25 mM cycloheximide : 17% of maximal enzyme activity measured, phosphorylation status: 12% /dark 2 h + 0.25 mM cycloheximide : 14% of maximal enzyme activity measured, phosphorylation status: 7% | Megathyrsus maximus |
| additional information | - |
light 2 h + 10 mM DTT : 38% of maximal enzyme activity measured, phosphorylation status: 29% /dark 2 h + 10 mM DTT : 4% of maximal enzyme activity measured, phosphorylation status: 0% | Megathyrsus maximus |
| additional information | - |
light 2 h + 50 nM akadaic acid : 88% of maximal enzyme activity measured, phosphorylation status: 99% /dark 2 h + 50 nM okadaic acid : 48% of maximal enzyme activity measured, phosphorylation status: 60% | Megathyrsus maximus |
| additional information | - |
light 2 h : 71% of maximal enzyme activity measured, phosphorylation status: 100% /dark 2 h : 6% of maximal enzyme activity measured, phosphorylation status: 0% | Megathyrsus maximus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| phosphoenolpyruvate + CO2 | - |
Megathyrsus maximus | phosphate + oxaloacetate | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| PEPC | - |
Megathyrsus maximus |
| Phosphoenolpyruvate carboxylase | - |
Megathyrsus maximus |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | - |
assay at | Megathyrsus maximus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.3 | - |
assay at | Megathyrsus maximus |
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Release 2023.1 (January 2023)
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