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  • Title: Structure of a novel diphosphonoglycosphingolipid isolated from the skin of Aplysia kurodai.
    Author: Araki S, Satake M.
    Journal: Biochem Int; 1985 Apr; 10(4):603-10. PubMed ID: 4026869.
    Abstract:
    A new phosphonoglycosphingolipid containing two 2-aminoethylphosphonate residues was isolated from the skin of Aplysia kurodai, a marine gastropod, using two systems of silicic acid chromatography. By methanolysis, permethylation, mild acid hydrolysis and hydrogen fluoride treatment combined with thin layer chromatography and gas chromatography-mass spectrometry, the new phosphonoglycosphingolipid was shown to be 3-O-MeGal (1----3) GalNAc (1----3) [6'-O-(2-aminoethylphosphonyl) Gal (1----2)] [2-aminoethylphosphonyl (----6)] Gal (1----4) Glc (1----1) ceramide. Most of the fatty acid (90 per cent) was palmitic acid. Octadeca-4-sphingenine and anteiso-nonadeca-4-sphingenine were the major sphingosine bases of the new glycolipid.
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