Reaction catalyzed by phenylalanine 4-monooxygenase (1.14.16.1)
+
+
=
+
+
H2O
+
L-phenylalanine
+
6,7-dimethyltetrahydropterin
+
O2
=
4-(hydroxymethyl)phenylalanine
+
3-methyltyrosine
+
H2O
+
6,7-dimethyl-dihydropterin
