Discovery of potent and selective covalent inhibitors of JNK.

Discovery of potent and selective covalent inhibitors of JNK.
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DOI:
10.1016/j.chembiol.2011.11.010
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发表时间:
2012-01-27
影响因子:
--
通讯作者:
Gray NS
Gray NS
中科院分区:
生物1区
文献类型:
--
作者:
Zhang T;Inesta-Vaquera F;Niepel M;Zhang J;Ficarro SB;Machleidt T;Xie T;Marto JA;Kim N;Sim T;Laughlin JD;Park H;LoGrasso PV;Patricelli M;Nomanbhoy TK;Sorger PK;Alessi DR;Gray NS

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The mitogen activated kinases JNK1/2/3 are key enzymes in signaling modules that transduce and integrate extracellular stimuli into coordinated cellular response. Here we report the discovery of the first irreversible inhibitors of JNK1/2/3. We describe two JNK3 co-crystal structures at 2.60 and 2.97 Å resolutions that show the compounds form covalent bonds with a conserved cysteine residue. JNK-IN-8 is a selective JNK inhibitor that inhibits phosphorylation of c-Jun, a direct substrate of JNK kinase, in cells exposed to sub-micromolar drug in a manner that depends on covalent modification of the conserved cysteine residue. Extensive biochemical, cellular and pathway-based profiling establish the selectivity of JNK-IN-8 for JNK and suggest that the compound will be broadly useful as a pharmacological probe of JNK-dependent signal transduction. Potential lead compounds have also been identified for kinases including IRAK1, PIK3C3, PIP4K2C, and PIP5K3.
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