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  • Journal
    Digital Access
    Provider
    Version
    ScienceDirect
    v. 1-, 2003-
    ClinicalKey
    v. 5-, 2007-
  • Article
    Kornfeld R.
    Biochemistry. 1978 Apr 18;17(8):1415-23.
    The carbohydrate composition and oligosaccharide structure of three glycopeptides isolated from delipidated calf thymocyte plasma membranes following Pronase digestion have been determined. Five major glycopeptide fractions were separated using Bio-Gel P-6 gel filtration and diethylaminoethylcellulose chromatography. The structure of the oligosaccharide chains of three of these glycopeptides was determined by a combination of sequential degradation with glycosidases and methylation analysis. These oligosaccharide structures consist of complex, highly branched N-linked chains containing at their nonreducing termini the unusual sequence Gal(beta1 leads to 3)Gal(beta1 leads to 4)GlcNAc leads to as well as the more usual sequence SA(alpha2 leads to 3)Gal(beta1 leads to 4)GlcNAc leads to. In addition, one glycopeptide also contains short O-linked chains with the structure Gal(beta leads to 3)GalNAc leads to Ser(Thr) which have receptor activity for the lectin from the mushroom Agaricus bisporus.
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