Reaction catalyzed by geranylgeranyl-bacteriochlorophyllide a reductase (1.3.1.111)
+
3
NADP+
=
+
3
NADPH
+
3
bacteriochlorophyll a
+
3 NADP+
=
geranylgeranyl bacteriochlorophyllide a
+
3 NADPH
+
3 H+
