Pronunciation: fos'fo ri-bo'sil pi'ro-fos'fat
d-ribose carrying a phosphate group on ribose carbon-5 and a pyrophosphate group on ribose carbon-1; an intermediate in the formation of the pyrimidine and purine nucleotides as well as NAD+.
Synonym(s): 5-phosphoribose 1-diphosphate
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Examples: glitazone, GI cocktail, etc.