Anticoagulant hirudin variants and methods for their production
    1.
    发明授权
    Anticoagulant hirudin variants and methods for their production 失效
    抗凝血水蛭素变体及其生产方法

    公开(公告)号:US5880258A

    公开(公告)日:1999-03-09

    申请号:US909735

    申请日:1997-08-12

    CPC分类号: C07K14/815 A61K38/00

    摘要: The present invention relates to hirudin variants having high anti-thrombin and anti-platelet activity, methods for producing them, and anti-coagulants having said variants as active ingredients.Hirudin variants shown in formula (I) having tyrosine residues or having their hydroxyl group sulfated.Methods for producing hirudin variants by sulfating hydroxyl group of said tyrosine residues, and anti-coagulants having hirudin variants shown in formula (I) as active ingredients.Phe-Glu-A-Ile-Pro-D-Tyr(R) Tyr(R) (I)�In the formula, A represents Glu or Pro, R represents Glu, Tyr (R), Glu-Asp or Glu-Tyr(R), and (R) represents the hydroxy group or its sulfated ester (--O--SO.sub.3 H) of tyrosine residue.!

    摘要翻译: 本发明涉及具有高抗凝血酶和抗血小板活性的水蛭素变体,其制备方法和具有所述变体作为活性成分的抗凝血剂。 具有酪氨酸残基或其羟基硫酸化的式(I)所示的水蛭素变体。 通过硫酸化所述酪氨酸残基的羟基来生产水蛭变异体的方法和具有式(I)所示的水蛭素变体的抗凝血剂作为活性成分。Phe-Glu-A-Ile-Pro-D-Tyr(R)Tyr )(I)[式中,A表示Glu或Pro,R表示Glu,Tyr(R),Glu-Asp或Glu-Tyr(R),(R)表示羟基或其硫酸酯 -SO3H)酪氨酸残基。

    Anticoagulant hirudin variants and methods for their production
    3.
    发明授权
    Anticoagulant hirudin variants and methods for their production 失效
    抗凝血水蛭素变体及其生产方法

    公开(公告)号:US5767235A

    公开(公告)日:1998-06-16

    申请号:US367758

    申请日:1995-01-03

    CPC分类号: C07K14/815 A61K38/00

    摘要: The present invention relates to hirudin variants having high anti-thrombin and anti-platelet activity, methods for producing them, and anti-coagulants having said variants as active ingredients. Hirudin variants shown in formula (I) having tyrosine residues or having their hydroxyl group sulfated. Methods for producing hirudin variants by sulfating hydroxyl group of said tyrosine residues, and anti-coagulants having hirudin variants shown in formula (I) as active ingredients. Phe-Glu-A-Ile-Pro-B-Tyr(R)-Tyr(R) (I) �In the formula, A represents Glu or Pro, B represents Glu, Tyr (R), Glu-Asp or Glu-Tyr(R), and (R) represents the hydroxy group or its sulfated ester (--O--SO.sub.3 H) of tyrosine residue.!

    摘要翻译: 本发明涉及具有高抗凝血酶和抗血小板活性的水蛭素变体,其制备方法和具有所述变体作为活性成分的抗凝血剂。 具有酪氨酸残基或其羟基硫酸化的式(I)所示的水蛭素变体。 通过将所述酪氨酸残基的羟基硫酸化制备水蛭变体的方法和具有式(I)所示水蛭素变体的抗凝血剂作为活性成分。Phe-Glu-A-Ile-Pro-B-Tyr(R)-Tyr R)(I)[式中,A表示Glu或Pro,B表示Glu,Tyr(R),Glu-Asp或Glu-Tyr(R),(R)表示羟基或其硫酸酯( - O-SO3H)酪氨酸残基。