Isolation and characterization of oligosaccharides obtained from heparin by the action of heparinase
摘要:
The oligosaccharides obtained in an 85% yield by the action of purified heparinase on heparin were isolated and characterized. They all contained an α,β-unsaturated uronic acid on the nonreducing end showing that enzymatic degradation proceeds by an elimination reaction. The data also indicate that more than 30% of the glucosamine units are disulfated, with the second sulfate most likely on the 6 position. At least 30% and probably more of the uronic acid units appear to be nonsulfated. In agreement with earlier data, both glycosidic linkages of heparin are 1 → 4.
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DOI:
10.1021/bi00754a013
被引量:
年份:
1972
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