Reaction catalyzed by phenylalanine 4-monooxygenase (1.14.16.1)
+
+
=
+
+
H2O
L-phenylalanine
+
6,7-dimethyl-5,6,7,8-tetrahydrobiopterin
+
O2
=
L-tyrosine
+
7,8-dimethyl-6,7-dihydrobiopterin
+
H2O
