Reaction catalyzed by 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH) (1.3.1.75)
+
NADPH
+
=
+
NADP+
divinyl chlorophyllide a
+
NADPH
+
H+
=
monovinyl chlorophyllide a
+
NADP+