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J Biochem. 1975 Oct;78(4):687-96.

Fractionation of glycopeptides by affinity column chromatography on concanavalin A-sepharose.


Using [3H]-labeled oligosaccharides, we found that the presence of at least two alpha-mannosyl residues with free hydroxyl groups at C-3, 4, and 6 is required for oligosaccharides to be related by a concanavalin A-Sepharose column. This finding is also applicable to N-[14C]acetylated glycopeptides. Thus, the concanavalin A-Sepharose column might become a useful tool for structural studies of glycopeptides and oligosaccharides and for their fractionation. Glycopeptides prepared from the trypsinate of rat fibroblasts, which has been purified by paper electrophoresis, were further separated into two fractions by chromatography on a concanavalin A-Sepharose column.

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