ID 1.1.1.376 DE L-arabinose 1-dehydrogenase [NAD(P)(+)]. AN L-arabino-aldose dehydrogenase. CA (1) alpha-L-arabinopyanose + NAD(+) = H(+) + L-arabinono-1,4-lactone + CA NADH. CA (2) alpha-L-arabinopyanose + NADP(+) = H(+) + L-arabinono-1,4-lactone + CA NADPH. CC -!- The enzymes from the bacterium Azospirillum brasilense and the CC archaeon Haloferax volcanii are part of the L-arabinose degradation CC pathway and prefer NADP(+) over NAD(+). CC -!- In vitro the enzyme from Azospirillum brasilense shows also high CC catalytic efficiency with D-galactose. CC -!- The enzyme is specific for alpha-L-arabinopyranose. DR Q53TZ2, ARAA_AZOBR ; D4GP33, ARADH_HALVD; //