SEARCH Articles Figures Tables Hypoxanthine-guanine phosphoribosyltransferase Purine phosphoribosyltransferases Phosphoribosyltransferase Purine Phosphoribosyltransferases Convert Purines to Nucleotides Purine phosphoribosyltransferases Purine phosphoribosyltransferases Purine phosphoribosyltransferases regulation Purines phosphoribosyltransferase Purines phosphoribosyltransferase