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| Names | |
|---|---|
| IUPAC name 3-Methyl-2-buten-1-yl trihydrogen diphosphate | |
| Other names Dimethylallyl diphosphate; isoprenyl pyrophosphate; isoprenyl diphosphate | |
| Identifiers | |
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3D model (JSmol) | |
| ChemSpider |
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| MeSH | 3,3-dimethylallyl+pyrophosphate |
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| Properties | |
| C5H12O7P2 | |
| Molar mass | 246.092 g·mol−1 |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Dimethylallyl pyrophosphate (DMAPP; or alternatively,dimethylallyl diphosphate (DMADP); alsoisoprenyl pyrophosphate) is an isoprenoid precursor. It is a product of both themevalonate pathway and theMEP pathway of isoprenoid precursor biosynthesis. It is an isomer ofisopentenyl pyrophosphate (IPP) and exists in virtually all life forms. The enzymeisopentenyl pyrophosphate isomerase catalyzes isomerization between DMAPP and IPP.[1]
In the mevalonate pathway, DMAPP is synthesised frommevalonic acid. In contrast, DMAPP is synthesised fromHMBPP in theMEP pathway.
At present, it is believed that there is crossover between the two pathways in organismsthat use both pathways to createterpenes andterpenoids, such as in plants, and that DMAPP is the crossover product.
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