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    • 4. 发明申请
    • METHODS FOR IMPROVING PROTEIN PROPERTIES
    • 改善蛋白质性质的方法
    • WO2008153935A2
    • 2008-12-18
    • PCT/US2008007114
    • 2008-06-06
    • DANISCO US INC GENENCOR DIVAEHLE WOLFGANGCASCAO-PEREIRA LUIS GUSTAVOKELLIS JR JAMES TSHAW ANDREW
    • AEHLE WOLFGANGCASCAO-PEREIRA LUIS GUSTAVOKELLIS JAMES T JRSHAW ANDREW
    • C07K14/435
    • C12N9/54C11D3/386C11D3/38681C12N9/2411C12N9/2417C12N15/1034C12Y302/01001C12Y304/21062
    • The present invention provides methods for engineering proteins to optimize their performance under certain environmental conditions of interest. In some embodiments, the present invention provides methods for engineering enzymes to optimize their catalytic activity under particular environmental conditions. In some preferred embodiments, the present invention provides methods for engineering enzymes to optimize their catalytic activity and/or stability under adverse environmental conditions. In some preferred embodiments, the present invention provides methods for engineering enzymes to optimize their storage stability, particularly under adverse environmental conditions. In some preferred embodiments, the present invention provides methods for altering the net surface charge and/or surface charge distribution of enzymes (e.g., metalloproteases) to obtain enzyme variants that demonstrate improved performance and/or stability in detergent formulations as compared to the starting or parent enzyme.
    • 本发明提供了在某些感兴趣的环境条件下工程化蛋白质以优化其性能的方法。 在一些实施方案中,本发明提供了工程化酶以在特定环境条件下优化其催化活性的方法。 在一些优选实施方案中,本发明提供了工程化酶以在不利的环境条件下优化其催化活性和/或稳定性的方法。 在一些优选的实施方案中,本发明提供了工程化酶优化其储存稳定性的方法,特别是在不利的环境条件下。 在一些优选的实施方案中,本发明提供了用于改变酶(例如金属蛋白酶)的净表面电荷和/或表面电荷分布以获得酶变体的方法,所述酶变体与洗涤剂配方相比起始或以后可以改善洗涤剂配方的性能和/或稳定性 亲本酶。