SEARCH Articles Figures Tables 9-£>-Hypoxanthines Human hypoxanthine-guanine phosphoribosyl transferase Hypoxanthin Hypoxanthine Hypoxanthine phosphoribosyl transferase HPRT) Hypoxanthine salvage transferase Hypoxanthine-guanine phosphoribosyl transferase Hypoxanthine-guanine phosphoribosyl transferase deficiency Transferase hypoxanthine phosphoribosyl