Reaction catalyzed by methylenetetrahydrofolate dehydrogenase (NADP+) (1.5.1.5)
+
NADP+
=
+
NADPH
+
5,10-methylenetetrahydrofolate
+
NADP+
=
5,10-methenyltetrahydrofolate
+
NADPH
+
H+
