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ID: ALA1154498
Journal: Bioorg Med Chem Lett
Title: Clinical stage EGFR inhibitors irreversibly alkylate Bmx kinase.
Authors: Hur W, Velentza A, Kim S, Flatauer L, Jiang X, Valente D, Mason DE, Suzuki M, Larson B, Zhang J, Zagorska A, Didonato M, Nagle A, Warmuth M, Balk SP, Peters EC, Gray NS.
Abstract: Irreversible HER/erbB inhibitors selectively inhibit HER-family kinases by targeting a unique cysteine residue located within the ATP-binding pocket. Sequence alignment reveals that this rare cysteine is also present in ten other protein kinases including all five Tec-family members. We demonstrate that the Tec-family kinase Bmx is potently inhibited by irreversible modification at Cys496 by clinical stage EGFR inhibitors such as CI-1033. This cross-reactivity may have significant clinical implications.
CiteXplore: 18667312