Reaction catalyzed by D-arabinose 1-dehydrogenase (NADP+) (1.1.1.427)
D-arabinofuranose
+
NADP+
=
+
NADPH
+
D-arabinofuranose
+
NADP+
=
D-arabinono-1,4-lactone
+
NADPH
+
H+
