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Literature summary for 2.7.9.1 extracted from
- Molecular and biochemical mechanisms in maize endosperm development: The role of pyruvate-Pi-dikinase and Opaque-2 in the control of C/N ratio (2008), C. R. Biol., 331, 772-779.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| additional information | the enzyme is light-activated | Zea mays |
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| quantitative expression analysis of the enzyme during endosperm development, expression profiles, overview | Zea mays |
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | direct pleiotropic effects of Opaque-2 mutation on PPDK, mechanism, epistatic relationship between PPDK and Opaque-2, detailed overview | Zea mays |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Mg2+ | - |
Zea mays |  |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| AMP + phosphoenolpyruvate + diphosphate | Zea mays | the Opaque-2 gene has regulatory function in metabolic pathways, mutation of Opaque-2 affects PPDK activity, overview | ATP + pyruvate + phosphate | - |
r | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Zea mays | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| endosperm | transcriptomic, proteomic and metabolic analysis of maize endosperm development, PPDK is important, overview | Zea mays | - |
| kernel | - |
Zea mays | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| AMP + phosphoenolpyruvate + diphosphate | - |
Zea mays | ATP + pyruvate + phosphate | - |
r | |
| AMP + phosphoenolpyruvate + diphosphate | the Opaque-2 gene has regulatory function in metabolic pathways, mutation of Opaque-2 affects PPDK activity, overview | Zea mays | ATP + pyruvate + phosphate | - |
r | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| PPDK | - |
Zea mays |
| pyruvate-Pi-dikinase | - |
Zea mays |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| AMP | forward reaction | Zea mays | |
| ATP | reverse reaction | Zea mays | |
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Release 2023.1 (January 2023)
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