A fragment-based method to discover irreversible covalent inhibitors of cysteine proteases.
A fragment-based method to discover irreversible covalent inhibitors of cysteine proteases.
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DOI:
10.1021/jm500345q
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发表时间:
2014-06-12
影响因子:
7.3
通讯作者:
Statsyuk AV
中科院分区:
文献类型:
--
作者:
Kathman SG;Xu Z;Statsyuk AV
A novel fragment-based drug discovery approach is reported which irreversibly tethers drug-like fragments to catalytic cysteines. We attached an electrophile to 100 fragments without significant alterations in the reactivity of the electrophile. A mass spectrometry assay discovered three nonpeptidic inhibitors of the cysteine protease papain. The identified compounds display the characteristics of irreversible inhibitors. The irreversible tethering system also displays specificity: the three identified papain inhibitors did not covalently react with UbcH7, USP08, or GST-tagged human rhinovirus 3C protease.
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