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  • Title: Degradation of chondroitin 4-sulphate by tri-fluoroacetolysis: isolation of oligosaccharides from the carbohydrate-protein linkage region.
    Author: Gunnarsson A, Svensson S, Rodén L.
    Journal: Carbohydr Res; 1984 Oct 01; 133(1):75-82. PubMed ID: 6437677.
    Abstract:
    Oligosaccharides from the linkage-region tetrasaccharide, beta-D-GlcpA-(1----3)-beta-D-Galp-(1----3)-beta-D-Galp-(1----4)-D- Xylp, of chondroitin 4-sulphate were isolated after trifluoroacetolysis. The oligosaccharides were purified by ion-exchange chromatography and paper chromatography and subjected to sugar and methylation analysis and g.l.c.-m.s. The recovery of linkage-region oligosaccharides was approximately 45% after trifluoroacetolysis, calculated according to the D-xylose present in the chondroitin 4-sulphate preparation. The following structures were identified: beta-D-Galp-(1----4)-D-Xylp, beta-D-Galp-(1----3)-D-Galp, beta-D-Galp-(1----3)-beta-D-Galp-(1----4)-D-Xylp, beta-D-GlcpA-(1----3)-beta-D-Galp-(1----3)-beta-D-Galp-(1----4)-D- Xylp.
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