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  2. World Encyclopedia
  3. Dimethylallyl pyrophosphate - Wikipedia
Dimethylallyl pyrophosphate - Wikipedia
From Wikipedia, the free encyclopedia
(Redirected from Dimethylallyl diphosphate)
Dimethylallyl pyrophosphate
Skeletal formula
Skeletal formula
Ball-and-stick model
Ball-and-stick model
Names
IUPAC name
3-Methyl-2-buten-1-yl trihydrogen diphosphate
Other names
Dimethylallyl diphosphate; isoprenyl pyrophosphate; isoprenyl diphosphate
Identifiers
3D model (JSmol)
ChemSpider
MeSH 3,3-dimethylallyl+pyrophosphate
  • InChI=1S/C5H12O7P2/c1-5(2)3-4-11-14(9,10)12-13(6,7)8/h3H,4H2,1-2H3,(H,9,10)(H2,6,7,8)
    Key: CBIDRCWHNCKSTO-UHFFFAOYSA-N
  • CC(=CCOP(=O)(O)OP(=O)(O)O)C
Properties
C5H12O7P2
Molar mass 246.092 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Dimethylallyl pyrophosphate (DMAPP; or alternatively, dimethylallyl diphosphate (DMADP); also isoprenyl pyrophosphate) is an isoprenoid precursor. It is a product of both the mevalonate pathway and the MEP pathway of isoprenoid precursor biosynthesis. It is an isomer of isopentenyl pyrophosphate (IPP) and exists in virtually all life forms. The enzyme isopentenyl pyrophosphate isomerase catalyzes isomerization between DMAPP and IPP.[1]

In the mevalonate pathway, DMAPP is synthesised from mevalonic acid. In contrast, DMAPP is synthesised from HMBPP in the MEP pathway.

At present, it is believed that there is crossover between the two pathways in organisms that use both pathways to create terpenes and terpenoids, such as in plants, and that DMAPP is the crossover product.

Mevalonate pathway
Simplified version of the steroid synthesis pathway with the intermediates isopentenyl pyrophosphate (IPP), dimethylallyl pyrophosphate (DMAPP), geranyl pyrophosphate (GPP) and squalene shown. Some intermediates are omitted.

References

  1. ^ Wang, W.; Oldfield, E. (2014). "Bioorganometallic Chemistry with Ispg and Isph: Structure, Function, and Inhibition of the [Fe4s4] Proteins Involved in Isoprenoid Biosynthesis". Angew. Chem. Int. Ed. 53 (17): 4294–4310. doi:10.1002/anie.201306712. PMC 3997630. PMID 24481599.
Sunting pranala
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