ON THE STRUCTURE OF A NEW, FUCOSE CONTAINING GANGLIOSIDE FROM PIG CEREBELLUM

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Abstract
A new ganglioside, provisionally named GLIVa, was isolated in pure form from pig cerebellum. Ganglioside GLIVa is a disialoganglioside containing fucose. Its basic neutral glycosphingolipid core is the gangliotetraose ceramide: Gal, β 1 → 3 GalNAc, β 1 → 4 Gal, β 1 → 4 Glc, β 1 → Cer.Fucose is α‐glycosidically linked to the 2‐position of external galactose and one N‐acetylneuraminic acid is linked to the other one by an α, 2 → 8 linkage. Thus the total structure of ganglioside GLIVa is the following: Fuc, α 1 → 2 Gal, β 1 → 3 GalNAc, β 1 → 4 (NeuAc, α 2 48 NeuAc, α 2 → 3) Gal, β 1 → 4 Glc, β 1 → Ceramide. According to the IUPAC‐IUB Commission on Biochemical Nomenclature is indicated as II3α(NeuAc)2 IV2αFuc‐GgOse4Cer.

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