Disorders of purine metabolism


 * Gout
 * Lesch-Nyhan syndrome
 * Adenosine deaminase (ADA) and purine nucleoside phosphorylase deficiency (PNP)
 * Adenylosuccinate lyase deficiency
 * Myoadenylate deaminase deficiency
 * 5' nucleotidase defect
 * Phosphoribosyl pyrophosphate synthetase defect (PRPP)
 * Xanthinuria and adenine phosphoribosyltransferase deficiency (APRT)