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Multiplex selection technique (MuST): An approach to clone transcription factor binding sites

机译:多重选择技术(MuST):一种克隆转录因子结合位点的方法

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摘要

We have used a multiplex selection approach to construct a library of DNA-protein interaction sites rec- ognized by many of the DNA-binding proteins present in a cell type. An estimated minimum of two-thirds of the binding sites present in a library prepared from activated Jurkat T cells represent authentic transcription factor binding sites. We used the library for isolation of "optimal" binding site probes that facilitated cloning of a factor and to identify binding activities induced within 2 hr of activation of Jurkat cells.
机译:我们已经使用了多重选择的方法来构建一个DNA-蛋白质相互作用位点的文库,该库被细胞类型中存在的许多DNA结合蛋白所识别。由活化的Jurkat T细胞制备的文库中估计存在的结合位点的至少三分之二代表真实的转录因子结合位点。我们使用该文库来分离“最佳”结合位点探针,以促进因子的克隆并鉴定在激活Jurkat细胞后2小时内诱导的结合活性。

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