Main Reaction: R5P >> 5-phosphoribosyl-1-pyrophosphate

Reference: PubMed ID: 16669783
Authors: Zrenner R, Stitt M, Sonnewald U, Boldt R
Title: Pyrimidine and purine biosynthesis and degradation in plants.
Published: 2006

R5P --> 5-phosphoribosyl-1-pyrophosphate