3.1.1.68 0.0109 - D-xylono-1,4-lactone pH 7.5, 42°C, recombinant enzyme 742542 3.1.1.68 0.0371 - L-arabinono-1,4-lactone pH 7.5, 42°C, recombinant enzyme 742542 3.1.1.68 10.9 - D-xylono-1,4-lactone pH 7.5, 42°C 750559 3.1.1.68 37.1 - L-arabino-1,4-lactone pH 7.5, 42°C 750559