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Fluorometric assay of integrin activity with a small-molecular probe that senses the binding site microenvironment

机译:用感知结合位点微环境的小分子探针对整联蛋白活性进行荧光测定

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摘要

We have developed a small-molecular probe, consisting of cyclic RGD pentapeptides bearing a nitrobenzoxadiazole fluorophore at the 4'-residue, which detects integrin α_vβ_3 activity in terms of fluorescence intensity decrease due to quenching of the fluorophore by interaction with tyrosine-122 at the binding site of the protein. This probe appears to be suitable for a practical, high-throughput fluorescence assay to screen small-molecular modulators of integrin activity.
机译:我们开发了一种小分子探针,该探针由在4'-残基处带有硝基苯并恶二唑荧光团的环状RGD五肽组成,该探针可检测整联蛋白α_vβ_3的活性,这是由于荧光团通过与酪氨酸-122相互作用而淬灭而导致的荧光强度降低。蛋白质的结合位点。该探针似乎适用于实用的高通量荧光分析,以筛选整联蛋白活性的小分子调节剂。

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  • 来源
    《Chemical Communications》 |2014年第100期|15894-15896|共3页
  • 作者单位

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan;

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Open Innovation Center for Drug Discovery, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Open Innovation Center for Drug Discovery, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

    Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan,School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan;

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  • 入库时间 2022-08-17 13:16:48

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