levoglucosan + NAD(+) = 3-dehydrolevoglucosan + NADH + H(+)
levoglucosan + nad(+) = 3-dehydrolevoglucosan + nadh + h(+)
"1,6-anhydro-beta-D-glucose dehydrogenase"
"1,6-anhydro-beta-d-glucose dehydrogenase"