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  • Title: Structural studies of heparitin sulfates.
    Author: Linker A, Hovingh P.
    Journal: Biochim Biophys Acta; 1975 Apr 07; 385(2):324-33. PubMed ID: 123778.
    Abstract:
    Heparitin sulfate fractions with a large range in sulfate content were subjected to degradation by Flavobacterium heparinase and by nitrous acid. The products obtained were fractionated by chromatography, characterized, and used to arrive at tentative structures for these complex polysaccharides. The heparitin sulfate chains examined appear to be composed of: 1. uninterrupted blocks of N-acetylglucosamine containing disaccharides; 2. larger blocks with a molecular weight range of 5000 to 6000 which include the N-acetyl block but do not contain heparinase sensitive linkages; 3. segments containing mainly areas where N-acetyl, N-sulfate and some disulfated units alternate in the chain. The size and arrangement of these polymer segments seem to vary with the sulfate content of a particular heparitin sulfate. For instance, the polysaccharides with the highest degree of sulfation do not appear to contain N-acetyl blocks of significant size.
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