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High affinity targets of protein kinase inhibitors have similar residues at the positions energetically important for binding

机译:蛋白激酶抑制剂的高亲和力靶标在能量上对于结合至关重要的位置具有相似的残基

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摘要

Inhibition of protein kinase activity is a focus of intense drug discovery Aventis Group 1041 Route efforts in several therapeutic areas. Major challenges facing the field 202-206, Bridgewater, NJ 08807 include understanding of the factors determining the selectivity of kinase USA inhibitors and the development of compounds with the desired selectivity profile. Here, we report the analysis of sequence variability among high and low affinity targets of eight different small molecule kinase inhibitors (BIRB796, Tarceva, NU6102, Gleevec, SB203580, balanol, H89, PP1). It is observed that all high affinity targets of each inhibitor are found among a relatively small number of kinases, which have similar residues at the specific positions important for binding. The findings are highly statistically significant, and allow one to exclude the majority of kinases in a genome from a list of likely targets for an inhibitor. The findings have implications for the design of novel inhibitors with a desired selectivity profile (e.g. targeted at multiple kinases), the discovery of new targets for kinase inhibitor drugs, comparative analysis of different in vivo models, and the design of "a-la-carte" chemical libraries tailored for individual kinases. (c) 2005 Elsevier Ltd. All rights reserved.
机译:抑制蛋白激酶活性是药物研发的重点,Aventis Group 1041在多个治疗领域进行了努力。新泽西州布里奇沃特,新泽西州08807的202-206油田面临的主要挑战包括了解决定激酶USA抑制剂选择性的因素以及开发具有所需选择性的化合物。在这里,我们报告的八个不同的小分子激酶抑制剂(BIRB796,Tarceva,NU6102,Gleevec,SB203580,balanol,H89,PP1)的高和低亲和力目标之间的序列变异性分析。观察到,在相对少量的激酶中发现了每种抑制剂的所有高亲和力靶标,这些激酶在对于结合重要的特定位置具有相似的残基。这些发现具有高度的统计学意义,并且可以从抑制剂的可能靶点列表中排除基因组中的大多数激酶。这些发现对于设计具有所需选择性特征的新型抑制剂(例如针对多种激酶),发现激酶抑制剂药物的新靶标,对不同体内模型进行比较分析以及“ a-la-为个别激酶量身定做的“ carte”化学文库(c)2005 Elsevier Ltd.保留所有权利。

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