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Structure and biosynthesis of fucosylated glycans. (A) Structures of fucosylated glycans in mammals. Note that Lewis (Le)-type glycans can be fucosylated on the Gal or GlcNAc, or both. (B) Schematic drawing of the biosynthetic pathway of fucosylated glycans in cells. GDP-6-Alk-Fuc inhibits FX. Ac4 indicates a peracetylated form. (C) Chemical structures of Fuc and its analogs used in this study. (D) Chemical structures of GDP-Fuc and its analogs used in this study.
