Cited by 1,192Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchProtein Kinase Regulation and GTPase Signaling

Structures of Lung Cancer-Derived EGFR Mutants and Inhibitor Complexes: Mechanism of Activation and Insights into Differential Inhibitor Sensitivity

Open access
Yun, Cai-Hong, Boggon, Titus J., Li, Yiqun, Woo, Michele S., Greulich, Heidi, Meyerson, Matthew, Eck, Michael J.·2007·Cancer Cell

Abstract

Mutations in the EGFR kinase are a cause of non-small-cell lung cancer. To understand their mechanism of activation and effects on drug binding, we studied the kinetics of the L858R and G719S mutants and determined their crystal structures with inhibitors including gefitinib, AEE788, and a staurosporine. We find that the mutations activate the kinase by disrupting autoinhibitory interactions, and that they accelerate catalysis as much as 50-fold in vitro. Structures of inhibitors in complex with both wild-type and mutant kinases reveal similar binding modes for gefitinib and AEE788, but a marked rotation of the staurosporine in the G719S mutant. Strikingly, direct binding measurements show that gefitinib binds 20-fold more tightly to the L858R mutant than to the wild-type enzyme.

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Crossref · 10.1016/j.ccr.2006.12.017

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Authors
Yun, C.-H., Boggon, T. J., Li, Y., Woo, M. S., Greulich, H., Meyerson, M., & Eck, M. J.
Affiliations
  • Harvard University (US)
  • Dana-Farber Cancer Institute (US)
  • Broad Institute (US)
Corresponding author
Eck, Michael J.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2007-03
Volume
11
Issue
3
Pages
217-227
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2111109297
Cited by
1,192
References
54
Citations by year
2026: 58 · 2025: 75 · 2024: 78 · 2023: 84 · 2022: 79 · 2021: 59 · 2020: 72 · 2019: 49 · 2018: 58 · 2017: 57 · 2016: 55 · 2015: 79 · 2014: 63 · 2013: 74 · 2012: 51
FWCI
40.77
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (CA116020, CA080942)
  • Leukemia and Lymphoma Society
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
EGFR, non-small cell lung cancer, EGFR mutation, L858R, kinase activation, gefitinib, AEE788, staurosporine, kinase inhibitor binding, crystal structure, catalytic acceleration, inhibitor sensitivity
MeSH terms
Gefitinib, Lapatinib, Antineoplastic Agents, Binding Sites, Carcinoma, Non-Small-Cell Lung, Enzyme Activation, Humans, Lung Neoplasms, Models, Molecular, Mutation, Protein Conformation, Purines, Quinazolines, Protein Structure, Tertiary, Crystallography, X-Ray, Staurosporine, ErbB Receptors

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