Reaction catalyzed by xanthine dehydrogenase (1.17.1.4)
3
+
3
NAD+
+
3
H2O
=
+
+
+
3
NADH
+
3
3 purine
+
3 NAD+
+
3 H2O
=
hypoxanthine
+
8-hydroxypurine
+
2-hydroxypurine
+
3 NADH
+
3 H+
