Interaction trap system for isolating novel proteins
    1.
    发明授权
    Interaction trap system for isolating novel proteins 失效
    用于分离新蛋白质的相互作用捕获系统

    公开(公告)号:US5580736A

    公开(公告)日:1996-12-03

    申请号:US370225

    申请日:1995-01-09

    摘要: Disclosed is a method for determining whether a first protein is capable of physically interacting with a second protein. The method involves: (a) providing a host cell which contains (i) a reporter gene operably linked to a protein binding site; (ii) a first fusion gene which expresses a first fusion protein, the first fusion protein including the first protein covalently bonded to a binding moiety which is capable of specifically binding to the protein binding site; and (iii) a second fusion gene which expresses a second fusion protein, the second fusion protein including the second protein covalently bonded to a weak gene activating moiety; and (b) measuring expression of the reporter gene as a measure of an interaction between the first and the second proteins. Such a determination facilitates the isolation of the gene encoding the interacting protein. Also disclosed herein is recombinant Cdi1 polypeptide, nucleic acid encoding the Cdi1 polypeptide, and uses thereof.

    摘要翻译: 公开了一种用于确定第一种蛋白质是否能够与第二种蛋白质物理相互作用的方法。 该方法包括:(a)提供宿主细胞,其包含(i)可操作地连接到蛋白质结合位点的报告基因; (ii)表达第一融合蛋白的第一融合基因,所述第一融合蛋白包括共价键合到能够特异性结合蛋白结合位点的结合部分的第一蛋白; 和(iii)表达第二融合蛋白的第二融合基因,所述第二融合蛋白包括与弱基因活化部分共价结合的第二蛋白质; 和(b)测量报告基因的表达作为第一和第二蛋白质之间相互作用的量度。 这样的测定有助于分离编码相互作用蛋白的基因。 本文还公开了重组Cdi1多肽,编码Cdi1多肽的核酸及其用途。

    CDI1 polypeptides
    2.
    发明授权
    CDI1 polypeptides 失效
    CDI1多肽

    公开(公告)号:US5786169A

    公开(公告)日:1998-07-28

    申请号:US461859

    申请日:1995-06-05

    摘要: Disclosed is a method for determining whether a first protein is capable of physically interacting with a second protein. The method involves: (a) providing a host cell which contains (i) a reporter gene operably linked to a protein binding site; (ii) a first fusion gene which expresses a first fusion protein, the first fusion protein including the first protein covalently bonded to a binding moiety which is capable of specifically binding to the protein binding site; and (iii) a second fusion gene which expresses a second fusion protein, the second fusion protein including the second protein covalently bonded to a weak gene activating moiety; and (b) measuring expression of the reporter gene as a measure of an interaction between the first and the second proteins. Such a determination facilitates the isolation of the gene encoding the interacting protein. Also disclosed herein is recombinant Cdi1 polypeptide, nucleic acid encoding the Cdi1 polypeptide, and uses thereof.

    摘要翻译: 公开了一种用于确定第一种蛋白质是否能够与第二种蛋白质物理相互作用的方法。 该方法包括:(a)提供宿主细胞,其包含(i)可操作地连接到蛋白质结合位点的报告基因; (ii)表达第一融合蛋白的第一融合基因,所述第一融合蛋白包括共价键合到能够特异性结合蛋白结合位点的结合部分的第一蛋白; 和(iii)表达第二融合蛋白的第二融合基因,所述第二融合蛋白包括与弱基因活化部分共价结合的第二蛋白质; 和(b)测量报告基因的表达作为第一和第二蛋白质之间相互作用的量度。 这样的测定有助于分离编码相互作用蛋白的基因。 本文还公开了重组Cdi1多肽,编码Cdi1多肽的核酸及其用途。

    Assays for inhibitors of myc oncoprotein
    3.
    发明授权
    Assays for inhibitors of myc oncoprotein 失效
    测定myc癌蛋白抑制剂

    公开(公告)号:US5580721A

    公开(公告)日:1996-12-03

    申请号:US50198

    申请日:1993-10-07

    摘要: A method for the identification of compounds as inhibitors of oncoprotein action is described. A compound is identified as an inhibitor of oncoprotein action based on its ability to modulate the transcription of a reporter gene. Transcription of the reporter gene is dependent upon the binding of a fusion oncoprotein to a specific DNA binding element positioned upstream of the reporter gene promoter. The fusion oncoprotein contains a transcriptional regulatory domain from an oncoprotein and a DNA binding domain from a different protein.

    摘要翻译: PCT No.PCT / US91 / 06839 Sec。 371日期:1993年10月7日 102(e)日期1993年10月7日PCT 1991年9月20日提交PCT描述了鉴定作为癌蛋白作用抑制剂的化合物的方法。 基于其调节报告基因转录的能力,化合物被鉴定为癌蛋白作用的抑制剂。 报告基因的转录取决于融合癌蛋白与位于报告基因启动子上游的特异性DNA结合元件的结合。 融合癌蛋白包含来自癌蛋白的转录调节结构域和来自不同蛋白质的DNA结合结构域。

    Yeast interaction trap assay
    7.
    发明授权
    Yeast interaction trap assay 有权
    酵母相互作用阱测定

    公开(公告)号:US06326150B1

    公开(公告)日:2001-12-04

    申请号:US09508803

    申请日:2000-03-16

    IPC分类号: C12Q168

    CPC分类号: C12Q1/6897 C12N15/1055

    摘要: The present invention provides an improved yeast interaction trap method and reagents for the detection of novel protein-protein interactions. The invention comprises a dual bait system which improves the accuracy of library screens with an immediate selection to eliminate false positives. The dual bait system of the present invention also allows for comparative, simultaneous assessment of interactions between two related members of a protein family or a wild-type versus mutated form of the same protein.

    摘要翻译: 本发明提供了用于检测新蛋白质 - 蛋白质相互作用的改进的酵母相互作用捕获方法和试剂。 本发明包括双诱饵系统,其可以立即选择来提高图书馆屏幕的准确性以消除误报。 本发明的双诱饵系统还允许比较,同时评估蛋白质家族的两个相关成员或相同蛋白质的野生型与突变形式之间的相互作用。