Reaction catalyzed by plant 4,4-dimethylsterol C-4alpha-methyl-monooxygenase (1.14.18.10)
+
NAD(P)H
+
+
=
+
NAD(P)+
+
H2O
24-methylidenecycloartanol
+
NAD(P)H
+
O2
+
H+
=
4alpha-hydroxymethyl-4beta,14alpha-dimethyl-5alpha-ergosta-9beta,19-cyclo-24(241)-en-3beta-ol
+
NAD(P)+
+
H2O
