4-硝基苯-BETA-D-吡喃半乳糖苷 、
D-GlcNAc 在
β-galactosidase (from B. circulans) 作用下,
以
phosphate buffer 、 acetate buffer 为溶剂,
反应 3.0h,
生成 β-D-fucopyranosyl-(1-4)-2-acetamido-2-deoxy-α-D-glucopyranose 、
β-D-fucopyranosyl-(1-4)-2-acetamido-2-deoxy-β-D-glucopyranose