Reaction catalyzed by 6,7-dihydropteridine reductase (1.5.1.34) show all sequences for 1.5.1.34
+
NADPH
+
=
+
NADP+
quinonoid 7,8-dihydropterin
+
NADPH
+
H+
=
5,6,7,8-tetrahydropterin
+
NADP+