L-threonate + NAD(+) => 2-dehydro-L-erythronate + NADH + H(+)
l-threonate + nad(+) => 2-dehydro-l-erythronate + nadh + h(+)
L-threonate + NAD(+) => 2-dehydro-L-erythronate + NADH + H(+)
l-threonate + nad(+) => 2-dehydro-l-erythronate + nadh + h(+)