Reaction catalyzed by adenine phosphoribosyltransferase (2.4.2.7), hypoxanthine phosphoribosyltransferase (2.4.2.8) show all sequences for 2.4.2.8
+
=
+
6-mercaptopurine
+
5-phospho-alpha-D-ribose 1-diphosphate
=
6-mercaptopurine ribotide
+
diphosphate