Main Reaction: ribose-5-P >> 5-P ribosyl I-pyrophosphate

Reference: PubMed ID: 6746654
Authors: Parkin DW, Leung HB, Schramm VL
Title: Synthesis of nucleotides with specific radiolabels in ribose. Primary 14C and secondary 3H kinetic isotope effects on acid-catalyzed glycosidic bond hydrolysis of AMP, dAMP, and inosine.
Published: 1984 Aug 10

ribose-5-P --> 5-P ribosyl I-pyrophosphate