Reaction catalyzed by tyrosine 3-monooxygenase (1.14.16.2)
+
+
=
+
L-tyrosine
+
6-methyl-5,6,7,8-tetrahydrobiopterin
+
O2
=
3,4-dihydroxy-L-phenylalanine
+
6-methyl-4a-hydroxytetrahydrobiopterin
