Phosphoribosyl pyrophosphate
- Phosphoribosyl pyrophosphate
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Section1= Chembox Identifiers
CASNo=7540-64-9
PubChem=7339
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MeSHName=Phosphoribosyl+pyrophosphate
Section2= Chembox Properties
Formula=C5H13O14P3
MolarMass=390.07 g/mol
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Phosphoribosyl pyrophosphate (PRPP) is a pentosephosphate.
It is formed from ribose 5-phosphate by the enzyme ribose-phosphate diphosphokinase.
It plays a role in transferring phosphate groups in several reactions:
In "de novo" generation of purines, the enzyme amidophosphoribosyltransferase acts upon PRPP to create phosphoribosylamine.
ee also
* Pyrimidine biosynthesis
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