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    • 3. 发明授权
    • Thermostable alpha1-antitrypsin mutein with a disulfide bond and the method for preparing it
    • 具有二硫键的热稳定性α1-抗胰蛋白酶突变蛋白及其制备方法
    • US08088738B2
    • 2012-01-03
    • US12743920
    • 2007-11-22
    • Myeong-Hee YuJe-Hyun BaekCheolju Lee
    • Myeong-Hee YuJe-Hyun BaekCheolju Lee
    • A61K38/55C07K14/00
    • C07K14/8125
    • The present invention relates to a thermostable alpha-1-antitrypsin mutein with a disulfide bond and a preparation method of the same, more precisely an alpha-1-antitrypsin mutein with improved thermostability, compared with the conventional thermostable alpha-1-antitrypsin mutein (Korean Patent No. 133252), resulted from the process of substituting the 168th and 189th amino acids of the alpha-1-antitrypsin with cysteines which are then linked by a disulfide bond, with keeping its alpha-1-antitrypsin activity unchanged, and a preparing method of the same. The thermostable alpha-1-antitrypsin mutein with a disulfide bond of the invention can be effectively used for a protein based therapeutic agent which is very stable in vivo, and can be applied further in various fields including in the development of a diagnostic reagent and in the preparation of an affinity column.
    • 本发明涉及具有二硫键的热稳定性α-1-抗胰蛋白酶突变蛋白及其制备方法,更准确地说,与常规的热稳定性α-1-抗胰蛋白酶突变蛋白相比,具有改善的热稳定性的α-1-抗胰蛋白酶突变蛋白 韩国专利133252)是由α-1-抗胰蛋白酶的第168位和第189位氨基酸用半胱氨酸取代的方法产生的,然后用二硫键连接,保持其α-1-抗胰蛋白酶活性不变, 制备方法相同。 具有本发明二硫键的热稳定性α-1-抗胰蛋白酶突变蛋白可有效地用于体内非常稳定的蛋白质治疗剂,并且可以进一步应用于各种领域,包括诊断试剂的开发和 亲和柱的制备。
    • 4. 发明申请
    • THERMOSTABLE ALPHA1-ANTITRYPSIN MUTEIN WITH A DISULFIDE BOND AND THE METHOD FOR PREPARING IT
    • 具有破乳粘结剂的可热稳定的ALPHA1-抗菌素MUTEIN及其制备方法
    • US20100248309A1
    • 2010-09-30
    • US12743920
    • 2007-11-22
    • Myeong-Hee YuJe-Hyun BaekCheolju Lee
    • Myeong-Hee YuJe-Hyun BaekCheolju Lee
    • C07K14/435C07H21/04C12N15/63C12N1/21C12P21/00
    • C07K14/8125
    • The present invention relates to a thermostable alpha-1-antitrypsin mutein with a disulfide bond and a preparation method of the same, more precisely an alpha-1-antitrypsin mutein with improved thermostability, compared with the conventional thermostable alpha-1-antitrypsin mutein (Korean Patent No. 133252), resulted from the process of substituting the 168th and 189th amino acids of the alpha-1-antitrypsin with cysteines which are then linked by a disulfide bond, with keeping its alpha-1-antitrypsin activity unchanged, and a preparing method of the same. The thermostable alpha-1-antitrypsin mutein with a disulfide bond of the invention can be effectively used for a protein based therapeutic agent which is very stable in vivo, and can be applied further in various fields including in the development of a diagnostic reagent and in the preparation of an affinity column.
    • 本发明涉及具有二硫键的热稳定性α-1-抗胰蛋白酶突变蛋白及其制备方法,更准确地说,与常规的热稳定性α-1-抗胰蛋白酶突变蛋白相比,具有改善的热稳定性的α-1-抗胰蛋白酶突变蛋白 韩国专利133252)是由α-1-抗胰蛋白酶的第168位和第189位氨基酸用半胱氨酸取代的方法产生的,然后用二硫键连接,保持其α-1-抗胰蛋白酶活性不变, 制备方法相同。 具有本发明二硫键的热稳定性α-1-抗胰蛋白酶突变蛋白可有效地用于体内非常稳定的蛋白质治疗剂,并且可以进一步应用于各种领域,包括诊断试剂的开发和 亲和柱的制备。