Reaction catalyzed by corydaline synthase (2.1.1.147)
+
+
NADPH
+
=
+
+
NADP+
S-adenosyl-L-methionine
+
coptisine
+
NADPH
+
H+
=
S-adenosyl-L-homocysteine
+
tetrahydrocorysamine
+
NADP+
