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  • Title: GalNAc beta 1----3 terminated glycosphingolipids of human erythrocytes.
    Author: Angström J, Karlsson H, Karlsson KA, Larson G, Nilson K.
    Journal: Arch Biochem Biophys; 1986 Dec; 251(2):440-9. PubMed ID: 3800377.
    Abstract:
    Nonacid glycosphingolipids with 4 to 10 sugar residues isolated from pooled erythrocytes of blood group O donors have been efficiently separated as peracetylated derivatives on silicic acid. This procedure enabled a quantitative estimate of individual compounds and also revealed several GalNAc beta 1----3 terminated structures. The structural characterization of these glycolipids with 1H-NMR spectroscopy, direct inlet mass spectrometry, gas chromatography, and gas chromatography-mass spectrometry identified the compounds as GalNAc beta 1----3Gal alpha 1----4Gal beta 1----4Glc beta 1----1-N-acetyl sphingosine and GalNAc beta 1----3Gal alpha 1----4Gal beta 1----4Glc beta 1----1-N-acetyl phytosphingosine, GalNAc beta 1----3GalNAc beta 1----3Gal alpha 1----4Gal beta 1----4Glc beta 1----1 ceramide, and GalNAc beta 1----3Gal beta 1----4GlcNAc beta 1----3Gal beta 1----4Glc beta 1----1 ceramide.
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