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    • 2. 发明申请
    • METHODS FOR THE IDENTIFICATION OF LRRK2 INTERACTING MOLECULES AND FOR THE PURIFICATION OF LRRK2
    • LRRK2相互作用分子鉴定方法及LRRK2纯化方法
    • US20090220992A1
    • 2009-09-03
    • US12282851
    • 2007-03-13
    • Gerard DrewesCarsten HopfValerie Reader
    • Gerard DrewesCarsten HopfValerie Reader
    • G01N33/573C07D403/04C12N9/12
    • C12Q1/485G01N2800/2835
    • The invention provides in a first aspect a method for the identification of an LRRK2 interacting compound, comprising the steps of providing a protein preparation containing LRRK2, contacting the protein preparation with indol ligand 91 immobilized on a solid support under conditions allowing the formation of an indol ligand 91-LRRK2 complex, incubating the indol ligand 91-LRRK2 complex with a given compound, and determining whether the compound is able to separate LRRK2 from the immobilized indol ligand 91. Furthermore, the invention relates to a method for the identification of an LRRK2 interacting compound, comprising the steps of providing a protein preparation containing LRRK2, contacting the protein preparation with indol ligand 91 immobilized on a solid support and with a given compound under conditions allowing the formation of an indol ligand 91-LRRK2 complex, and detecting the indol ligand 91-LRRK2 complex. Additionally, the invention provides a method for the identification of an LRRK2 interacting compound, comprising the steps of providing two aliquots of a protein preparation containing LRRK2, contacting one aliquot with indol ligand 91 immobilized on a solid support under conditions allowing the formation of an indol ligand 91-LRRK2 complex, contacting the other aliquot with indol ligand 91 immobilized on a solid support and with a given compound under conditions allowing the formation of an indol ligand 91-LRRK2 complex, and determining the amount of indol ligand 91-LRRK2 complex. Furthermore, the invention relates to a method for the purification of LRRK2, comprising the steps of providing a protein preparation containing LRRK2, contacting the protein preparation with indol ligand 91 immobilized on a solid support under conditions allowing the formation of an indol ligand 91-LRRK2 complex, and separating LRRK2 from the immobilized indol ligand 91.
    • 本发明在第一方面提供了一种用于鉴定LRRK2相互作用化合物的方法,包括以下步骤:提供含有LRRK2的蛋白质制剂,使所述蛋白质制剂与固定在固体支持物上的吲哚配体91接触,所述条件允许形成吲哚 配体91-LRRK2复合物,将吲哚配体91-LRRK2复合物与给定化合物一起温育,并测定化合物是否能够从固定的吲哚配体91分离LRRK2。此外,本发明涉及用于鉴定LRRK2的方法 包括以下步骤:提供含有LRRK2的蛋白质制剂,使蛋白质制备物与固定在固体载体上的吲哚配体91与允许形成吲哚配体91-LRRK2复合物的条件下的给定化合物接触,并检测吲哚 配体91-LRRK2复合物。 另外,本发明提供了一种用于鉴定LRRK2相互作用化合物的方法,包括以下步骤:提供含有LRRK2的蛋白质制剂的两个等分试样,将一个等分试样与固定在固体支持物上的吲哚配体91接触,形成吲哚 配体91-LRRK2复合物,使其它等分试样与固定在固体载体上的吲哚配体91与给定化合物在允许形成吲哚配体91-LRRK2复合物的条件下接触,并测定吲哚配体91-LRRK2复合物的量。 此外,本发明涉及LRRK2的纯化方法,包括以下步骤:提供含有LRRK2的蛋白质制剂,使蛋白质制剂与固定在固体支持物上的吲哚配体91接触,形成吲哚配体91-LRRK2 复合物,并将LRRK2与固定的吲哚配体91分离。