Farnesyl pyrophosphate

Farnesyl pyrophosphate

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CASNo=13058-04-3
PubChem=706
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MeSHName=farnesyl+pyrophosphate
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Formula=C15H28O7P2
MolarMass=382.326
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Farnesyl pyrophosphate (FPP) is an intermediate in the HMG-CoA reductase pathway used by organisms in the biosynthesis of terpenes and terpenoids.

It is the immediate precursor of squalene (via the enzyme squalene synthase), dehydrodolichol diphosphate (a precursor of dolichol), and geranylgeranyl pyrophoshate (GGPP).

Biosynthesis

Farnesyl pyrophosphate synthase (a prenyl transferase) catalyzes sequential condensation reactions of dimethylallyl pyrophosphate with 2 units of 3-isopentenyl pyrophosphate to form farnesyl pyrophosphate.

* Dimethylallyl pyrophosphate reacts with 3-isopentenyl pyrophosphate to form geranyl pyrophosphate:

* Geranyl pyrophosphate itself reacts with 3-isopentenyl pyrophosphate to form farnesyl pyrophosphate

Regulation

The above reactions are inhibited by bisphosphonates (used for osteoporosis).

Related compounds

*Farnesene
*Farnesol
*Geranyl pyrophosphate
*Geranylgeranyl pyrophosphate


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