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    Structure of Heparin Derived Tetrasaccharides

    Author
    Merchant, Z. M.; Kim, Y. S.; Rice, K. G.; Linhardt, R. J.
    ORCID
    https://orcid.org/0000-0003-2219-5833
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    Other Contributors
    Date Issued
    1985-01-01
    Subject
    Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
    Degree
    Terms of Use
    In Copyright : this Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). https://rightsstatements.org/page/InC/1.0/;
    Full Citation
    Structure of Heparin Derived Tetrasaccharides, Z.M. Merchant, Y.S. Kim, K.G. Rice, R.J. Linhardt, Biochemical Journal, 229, 369-377 (1985).
    Metadata
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    URI
    https://doi.org/10.1042/bj2290369; https://hdl.handle.net/20.500.13015/6026
    Abstract
    The structure of heparin was examined by characterizing a disaccharide and five of the more than a dozen tetrasaccharide components obtained by its depolymerization with flavobacterial heparinase. Enzymic depolymerization of porcine mucosal heparin results in a mixture of di-, tetra-, hexa- and higher oligo-saccharides. The di- and tetra-saccharide components represent 75mol/100mol of these heparin fragments. Ion-exchange chromatography indicates the presence of only one disaccharide, deltaIdu2S(1----4)-alpha-D-GlcNS6S (where Idu is iduronic acid, deltaIdu is 4-deoxy-alpha-L-threo-hex-4-enopyranosyluronic acid, GlcN is glucosamine, GlcA is glucuronic acid and S is sulphate), but results in the isolation of five major and at least seven minor tetrasaccharide components. The structures of the disaccharide and five major tetrasaccharides were determined by chemical, enzymic, electrophoretic and spectroscopic methods, including 13C, 1H n.m.r. and fast atom bombardment-m.s. The structure of these five tetrasaccharides are: delta Idu2S(1----4)-alpha-D-GlcNS6S(1---4)-alpha-L-Idu2S(1-- --4)-alpha -D-GlcNS6S; delta Idu2S(1----4)-alpha-D-GlcNS6S(1----4)-beta-D-GlcA(1--- -4)- alpha-D-GlcNS6S; delta Idu2S(1----4)-alpha-D-GlcNS(1----4)-beta-D-GlcA delta Idu2S(1----4)-alpha-D-GlcNAc(1----4)-beta-D-GlcA(1----4)- alpha-D-GlcNS6S; and delta Idu2S(1----4)-alpha- D-GlcNAc(1----4)-alpha-L-Idu(1----4)-alpha-D-GlcNS6S. Biological activity for the disaccharide and the five major tetrasaccharides was examined, and none of them were found to possess significant anticoagulant activity.;
    Description
    Biochemical Journal, 229, 369-377; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
    Department
    The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
    Relationships
    The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Biochemical Journal; https://harc.rpi.edu/;
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    https://login.libproxy.rpi.edu/login?url=https://doi.org/10.1042/bj2290369;
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