Tags: Enzyme.
Beta-apo-4′-carotenal oxygenase (EC 1.2.1.82 beta-apo-4′-carotenal dehydrogenase YLO-1 carD (gene)) is an enzyme with system name 4′-apo-betapsi-carotenal:NAD+ oxidoreductase. This enzyme catalyses the following chemical reaction 4′-apo-betapsi-caroten-4′-al + NAD+ + H2O neurosporaxanthin + NADH + 2 H+Neurosporaxanthin is responsible for the orange color of Neurospora.