2-dehydro-D-erythronate + NADH + H(+) => D-erythronate + NAD(+)
2-dehydro-d-erythronate + nadh + h(+) => d-erythronate + nad(+)
2-dehydro-D-erythronate + NADH + H(+) => D-erythronate + NAD(+)
2-dehydro-d-erythronate + nadh + h(+) => d-erythronate + nad(+)