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    • 6. 发明申请
    • METHOD FOR THE DETECTION OF POST-TRANSLATIONAL MODIFICATIONS
    • 检测翻译后修改的方法
    • US20100086943A1
    • 2010-04-08
    • US12516333
    • 2007-11-27
    • Eric TrinquetAchim BrinkerEmmanuel ClaretGérard Mathis
    • Eric TrinquetAchim BrinkerEmmanuel ClaretGérard Mathis
    • G01N33/53C12N5/00C12N5/071
    • G01N33/542C12Q1/37C12Q1/48C12Q1/485
    • Method for the detection in homogeneous medium of a post-translational modification of a protein substrate catalyzed by a cell enzyme, characterized in that the post-translational modification reaction takes place in intact living cells, in that these cells comprise a heterologous expression vector coding for a fusion protein comprising the protein substrate and a first coupling domain and in that it comprises the following stages: (v) Incubation of the cells in the presence or in the absence of a compound to be tested capable of modulating the activity of said enzyme, (vi) Addition to the reaction medium of a first fluorescent compound member of a first pair of FRET partners covalently bonded to a coupling agent capable of binding specifically to the first coupling domain present on the protein substrate, (vii) Addition to the reaction medium of a second fluorescent compound member of this first pair of FRET partners, and covalently bonded to a binding domain specific to the site of the protein substrate having undergone the post-translational modification and not binding to the non-modified protein substrate, (i) Measurement of the FRET signal emitted by the sample, this signal being representative of the quantity of protein substrate having undergone said post-translational modification; and cells for the implementation of said method.
    • 用于在均匀培养基中检测由细胞酶催化的蛋白质底物的翻译后修饰的方法,其特征在于翻译后修饰反应在完整的活细胞中进行,因为这些细胞包含编码 包含蛋白质底物和第一偶联结构域的融合蛋白,并且其包含以下阶段:(v)在待测化合物存在或不存在下能够调节所述酶的活性的细胞的孵育, (vi)向第一对FRET配偶体的第一荧光化合物成员的反应介质中加入共价结合到能够特异性结合蛋白质底物上存在的第一偶联结构域的偶联剂,(vii)加入到反应介质中 的第一对FRET配偶体的第二荧光化合物成员,并且共价键合到特异于t位点的结合结构域 已经经历了翻译后修饰并且不结合未修饰的蛋白质底物的蛋白质底物,(i)测量由样品发射的FRET信号,该信号代表已经经历所述翻译后蛋白质底物的量 修改; 以及用于执行所述方法的单元。
    • 8. 发明授权
    • Method for the detection of post-translational modifications
    • 检测翻译后修饰的方法
    • US08663928B2
    • 2014-03-04
    • US12516333
    • 2007-11-27
    • Eric TrinquetAchim BrinkerEmmanuel ClaretGérard Mathis
    • Eric TrinquetAchim BrinkerEmmanuel ClaretGérard Mathis
    • G01N33/68G01N33/53G01N33/58
    • G01N33/542C12Q1/37C12Q1/48C12Q1/485
    • Method for the detection in homogeneous medium of a post-translational modification of a proteinaceous substrate catalyzed by a cell enzyme, characterized in that the post-translational modification reaction takes place in intact living cells, in that these cells comprise a heterologous expression vector coding for a fusion protein comprising the proteinaceous substrate and a first coupling domain and in that it comprises the following stages: (i) Incubation of the cells in the presence or in the absence of a compound to be tested capable of modulating the activity of said enzyme, (ii) Addition to the reaction medium of a first fluorescent compound member of a first pair of FRET partners covalently bonded to a coupling agent capable of binding specifically to the first coupling domain present on the proteinaceous substrate, (iii) Addition to the reaction medium of a second fluorescent compound member of this first pair of FRET partners, and covalently bonded to a binding domain specific to the site of the proteinaceous substrate having undergone the post-translational modification and not binding to the non-modified proteinaceous substrate, (i) Measurement of the FRET signal emitted by the sample, this signal being representative of the quantity of proteinaceous substrate having undergone said post-translational modification; and cells for the implementation of said method.
    • 在均质培养基中检测由细胞酶催化的蛋白质底物的翻译后修饰的方法,其特征在于翻译后修饰反应在完整的活细胞中进行,因为这些细胞包含编码 包含蛋白质底物和第一偶联结构域的融合蛋白,并且其包含以下阶段:(i)在待测化合物存在或不存在下能够调节所述酶的活性的细胞的孵育, (ii)向第一对FRET伴侣的第一荧光化合物成员的反应介质中加入共价键合到能够特异性结合存在于蛋白质底物上的第一偶联结构域的偶联剂,(iii)加入反应介质 的第一对FRET配偶体的第二荧光化合物成员,并共价键合到结合域 c到经过翻译后修饰并且不结合未修饰的蛋白质底物的蛋白质底物的位点,(i)测量由样品发射的FRET信号,该信号代表具有 经过翻译后修改; 以及用于执行所述方法的单元。