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説明
Porcine intestinal heparin was partially digested with a purified heparinase and an octasaccharide with high-affinity for antithrombin III was isolated from the digest by gel filtration, followed by affinity chromatography on a column of Sepharose 4B coupled with antithrombin III. The anticoagulant activity determined by the activated partial thromboplastin time method of the octasaccharide was 240 units/mg. Fifty percent inactivation activities of the octasaccharide for thrombin and factor Xa in the presence of antithrombin III were 2 and 6.5 times, respectively, higher than those of the initial heparin. These data indicate that the octasaccharide possesses the critical structural integrities required for manifesting these biological activities.
収録刊行物
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- The Journal of Biochemistry
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The Journal of Biochemistry 90 1553-1556, 1981-10-01
Oxford University Press (OUP)