Fig. 1From: Uric acid, an important screening tool to detect inborn errors of metabolism: a case seriesMetabolic pathway of purines. HGPRT hypoxanthine guanine phosphoribosyl transferase, PNP purine neucleosidephosphorylase, AMP adenosine monophosphate, IMP inosine monophosphate, GMP guanosine monophosphate, AK adenosine kinase, AMPD AMP deaminase, AD adenosine deaminaseBack to article page