Reaction catalyzed by squalene synthase (2.5.1.21)
2
+
NAD(P)H
+
=
+
2
+
NAD(P)+
2 (2E,6E)-farnesyl diphosphate
+
NAD(P)H
+
H+
=
squalene
+
2 diphosphate
+
NAD(P)+
