Reaction catalyzed by glucose 1-dehydrogenase (PQQ, quinone) (1.1.5.2), glucose 1-dehydrogenase (FAD, quinone) (1.1.5.9)
+
=
+
L-arabinose
+
2,6-dichlorophenolindophenol
=
L-arabinono-1,5-lactone
+
reduced 2,6-dichlorophenolindophenol