Figure 1From: Altering the coenzyme preference of xylose reductase to favor utilization of NADH enhances ethanol yield from xylose in a metabolically engineered strain of Saccharomyces cerevisiaePathways for utilization of D-xylose and L-arabinose in fungi. 1, aldose reductase (EC 1.1.1.21); 2, xylitol dehydrogenase (EC 1.1.1.9); 3, xylulose kinase (EC 2.7.1.17); 4, L-arabinitol 4-dehydrogenase (EC 1.1.1.12); 5, L-xylulose reductase (EC 1.1.1.10).Back to article page