期刊
JOURNAL OF STRUCTURAL BIOLOGY
卷 192, 期 3, 页码 539-544出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jsb.2015.10.018
关键词
Epidermal growth factor receptor kinase; Drug design; Cancer; Mutation; Protein structure
资金
- Maurice Wilkins Centre for Molecular Biodiscovery
The discovery of genetic drivers of lung cancer in patient sub-groups has led to their use as predictive biomarkers and as targets for selective drug therapy. Some of the most important lung cancer drivers are mutations in the EGFR gene, for example, the exon 19 deletions and the L858R variant that confer sensitivity to the front line drugs erlotinib and gefitinib; the acquired T790M variants confer drug resistance and a poor prognosis. A challenge then in targeting EGFR is to produce drugs that inhibit both sensitising variants and resistance variants, leaving wild type protein in healthy cells unaffected. One such agent is AstraZeneca's breakthrough AZD9291 molecule that shows a 200-fold selectivity for T790M/L858R over wild type EGFR. Our X-ray crystal structure reveals the binding mode of AZD9291 to the kinase domain of wild type EGFR. (C) 2015 Elsevier Inc. All rights reserved.
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