DNA binding compound-mediated molecular switch system
    2.
    发明授权
    DNA binding compound-mediated molecular switch system 失效
    DNA结合化合物介导的分子开关系统

    公开(公告)号:US07189506B1

    公开(公告)日:2007-03-13

    申请号:US09518297

    申请日:2000-03-03

    IPC分类号: C12Q1/68 C07H21/04

    摘要: The present invention provides molecular switch system methods and compositions for use in regulatable gene expression. The system includes a nucleic acid construct which has a DNA response sequence for a transcriptional regulatory protein operably linked to a promoter, a compound binding sequence in the vicinity of the DNA response sequence, a transgene under the control of the promoter; and a DNA binding compound. In some cases, the molecular switch system further includes a nucleic acid sequence encoding a transcriptional regulatory protein operably linked to a second promoter. The invention further provides a method for screening compounds for the ability to function in the molecular switch system and thereby regulate gene expression.

    摘要翻译: 本发明提供用于可调节基因表达的分子开关系统方法和组合物。 该系统包括具有与启动子可操作连接的转录调节蛋白的DNA应答序列的核酸构建体,DNA应答序列附近的化合物结合序列,启动子控制下的转基因; 和DNA结合化合物。 在一些情况下,分子交换系统还包括编码与第二启动子可操作地连接的转录调节蛋白的核酸序列。 本发明还提供了一种筛选化合物在分子开关系统中起作用并从而调节基因表达的方法。

    Sequence-directed DNA-binding molecules compositions and methods
    5.
    发明授权
    Sequence-directed DNA-binding molecules compositions and methods 失效
    序列指导的DNA结合分子的组成和方法

    公开(公告)号:US06869765B2

    公开(公告)日:2005-03-22

    申请号:US09993346

    申请日:2001-11-13

    摘要: The present invention defines a DNA: protein-binding assay useful for screening libraries of synthetic or biological compounds for their ability to bind DNA test sequences. The assay is versatile in that any number of test sequences can be tested by placing the test sequence adjacent to a defined protein binding screening sequence. Binding of molecules to these test sequence changes the binding characteristics of the protein molecule to its cognate binding sequence. When such a molecule binds the test sequence the equilibrium of the DNA:protein complexes is disturbed, generating changes in the concentration of free DNA probe. Numerous exemplary target test sequences (SEQ ID NO:1 to SEQ ID NO:600) are set forth. The assay of the present invention is also useful to characterize the preferred binding sequences of any selected DNA-binding molecule.

    摘要翻译: 本发明定义了一种DNA:蛋白结合测定法,用于筛选合成或生物化合物文库结合DNA测试序列的能力。 该测定法是通用的,因为可以通过将测试序列置于与定义的蛋白质结合筛选序列相邻的位置来测试任何数量的测试序列。 分子与这些测试序列的结合改变了蛋白质分子与其同源结合序列的结合特征。 当这样的分子结合测试序列时,DNA:蛋白复合物的平衡受到干扰,产生游离DNA探针浓度的变化。 阐述了许多示例性目标测试序列(SEQ ID NO:1至SEQ ID NO:600)。 本发明的测定也可用于表征任何所选DNA结合分子的优选结合序列。

    Method of determining DNA sequence preference of a DNA-binding molecule
    6.
    发明授权
    Method of determining DNA sequence preference of a DNA-binding molecule 失效
    确定DNA结合分子DNA序列偏好的方法

    公开(公告)号:US5869241A

    公开(公告)日:1999-02-09

    申请号:US475228

    申请日:1995-06-07

    摘要: The present invention defines a DNA:protein-binding assay useful for screening libraries of synthetic or biological compounds for their ability to bind DNA test sequences. The assay is versatile in that any number of test sequences can be tested by placing the test sequence adjacent to a defined protein binding screening sequence. Binding of molecules to these test sequence changes the binding characteristics of the protein molecule to its cognate binding sequence. When such a molecule binds the test sequence the equilibrium of the DNA:protein complexes is disturbed, generating changes in the concentration of free DNA probe. Numerous exemplary target test sequences (SEQ ID NO:1 to SEQ ID NO:600) are set forth. The assay of the present invention is also useful to characterize the preferred binding sequences of any selected DNA-binding molecule.

    摘要翻译: 本发明定义了一种DNA:蛋白结合测定法,用于筛选合成或生物化合物文库结合DNA测试序列的能力。 该测定法是通用的,因为可以通过将测试序列置于与定义的蛋白质结合筛选序列相邻的位置来测试任何数量的测试序列。 分子与这些测试序列的结合改变了蛋白质分子与其同源结合序列的结合特征。 当这样的分子结合测试序列时,DNA:蛋白复合物的平衡受到干扰,产生游离DNA探针浓度的变化。 阐述了许多示例性目标测试序列(SEQ ID NO:1至SEQ ID NO:600)。 本发明的测定也可用于表征任何所选DNA结合分子的优选结合序列。

    Method of constructing sequence-specific DNA-binding molecules
    8.
    发明授权
    Method of constructing sequence-specific DNA-binding molecules 失效
    构建序列特异性DNA结合分子的方法

    公开(公告)号:US5716780A

    公开(公告)日:1998-02-10

    申请号:US484499

    申请日:1995-06-07

    摘要: The present invention defines an assay useful for screening libraries of synthetic or biological compounds for their ability to bind specific DNA test sequences. The assay is also useful for determining the sequence specificity and relative DNA-binding affinity of DNA-binding molecules for any particular DNA sequence. Also described herein are potential applications of the assay, including: 1) the detection of lead compounds or new drugs via the mass screening of libraries of synthetic or biological compounds (i.e., fermentation broths); 2) the design of sequence-specific DNA-binding drugs comprised of homo- or hetero-meric subunits of molecules for which the sequence specificity was determined using the assay; and 3) the use of molecules for which sequence specificity was determined using the assay as covalently attached moieties to aid in the binding of nucleic acid or other macromolecular polymers to nucleic acid sequences.

    摘要翻译: 本发明定义了一种用于筛选合成或生物化合物文库以测定其结合特异性DNA测试序列的能力的测定法。 该测定还可用于确定DNA结合分子对于任何特定DNA序列的序列特异性和相对DNA结合亲和力。 本文还描述了测定的潜在应用,包括:1)通过大量筛选合成或生物化合物(即发酵液)文库来检测铅化合物或新药物; 2)由使用该测定法确定序列特异性的分子的同源或异源亚基组成的序列特异性DNA结合药物的设计; 和3)使用通过测定作为共价连接的部分确定序列特异性的分子,以有助于核酸或其它大分子聚合物与核酸序列的结合。

    Sequence-directed DNA-binding molecules compositions and methods
    9.
    发明授权
    Sequence-directed DNA-binding molecules compositions and methods 失效
    序列指导的DNA结合分子的组成和方法

    公开(公告)号:US5578444A

    公开(公告)日:1996-11-26

    申请号:US171389

    申请日:1993-12-20

    摘要: The present invention defines a DNA:protein-binding assay useful for screening libraries of synthetic or biological compounds for their ability to bind DNA test sequences. The assay is versatile in that any number of test sequences can be tested by placing the test sequence adjacent to a defined protein binding screening sequence. Binding of molecules to these test sequence changes the binding characteristics of the protein molecule to its cognate binding sequence. When such a molecule binds the test sequence the equilibrium of the DNA:protein complexes is disturbed, generating changes in the concentration of free DNA probe. Numerous exemplary target test sequences (SEQ ID NO:1 to SEQ ID NO:600) are set forth. The assay of the present invention is also useful to characterize the preferred binding sequences of any selected DNA-binding molecule.

    摘要翻译: 本发明定义了一种DNA:蛋白结合测定法,用于筛选合成或生物化合物文库结合DNA测试序列的能力。 该测定法是通用的,因为可以通过将测试序列置于与定义的蛋白质结合筛选序列相邻的位置来测试任何数量的测试序列。 分子与这些测试序列的结合改变了蛋白质分子与其同源结合序列的结合特征。 当这样的分子结合测试序列时,DNA:蛋白复合物的平衡受到干扰,产生游离DNA探针浓度的变化。 阐述了许多示例性目标测试序列(SEQ ID NO:1至SEQ ID NO:600)。 本发明的测定也可用于表征任何所选DNA结合分子的优选结合序列。