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Literature summary for 2.7.9.1 extracted from
- Cool C4 photosynthesis: pyruvate pi dikinase expression and activity corresponds to the exceptional cold tolerance of carbon assimilation in Miscanthus x giganteus (2008), Plant Physiol., 148, 557-567.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| additional information | PPDK is light-activated, activation kinetics at different temperatures, overview | Zea mays | |
| additional information | PPDK is light-activated, activation kinetics at different temperatures, overview | Miscanthus x giganteus |
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| quantitative real-time reverse transcription (RT)-PCR expression analysis during transfer of plants from 25°C to 14°C growth temperature | Zea mays |
| quantitative real-time reverse transcription (RT)-PCR expression analysis during transfer of plants from 25°C to 14°C growth temperature | Miscanthus x giganteus |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| additional information | - |
additional information | kinetics at different temperature, the t1/2 for dephosphorylation of PPDK from chilling-acclimated Miscanthus x giganteus leaves increased to 2.3fold compared to warm-grown leaves, overview | Miscanthus x giganteus | |
| additional information | - |
additional information | kinetics at different temperature, the t1/2 for dephosphorylation of PPDK from chilling-acclimated Miscanthus x giganteus leaves increased to 3.1fold compared to warm-grown leaves, overview | Zea mays |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chloroplast | - |
Zea mays | 9507 | - |
| chloroplast | - |
Miscanthus x giganteus | 9507 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| AMP + phosphoenolpyruvate + diphosphate | Zea mays | - |
ATP + pyruvate + phosphate | - |
r |  |
| AMP + phosphoenolpyruvate + diphosphate | Miscanthus x giganteus | - |
ATP + pyruvate + phosphate | - |
r | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Miscanthus x giganteus | - |
a bioenergy feedstock grass | - |
| Zea mays | P11155 | - |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Zea mays | - |
| leaf | - |
Miscanthus x giganteus | - |
| additional information | enzyme activity at different climates, cold climates at 14°C and warm climates at 25°C, overview | Zea mays | - |
| additional information | optimization of plant culture conditions, the unusual C4 species shows high productivity in cold climates, high activity at 14°C, while PPDK is the key limiting factor for C4 photosynthesis at low temperature in other plants, e.g. Zea mays, overview | Miscanthus x giganteus | - |
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 | - |
Miscanthus x giganteus | ATP + pyruvate + phosphate | - |
r | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| PPDK | - |
Zea mays |
| PPDK | - |
Miscanthus x giganteus |
| pyruvate phosphate dikinase | - |
Zea mays |
| pyruvate phosphate dikinase | - |
Miscanthus x giganteus |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| AMP | forward reaction | Zea mays | |
| AMP | forward reaction | Miscanthus x giganteus | |
| ATP | reverse reaction | Zea mays | |
| ATP | reverse reaction | Miscanthus x giganteus | |
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