Structural Basis for Inhibition of Mutant EGFR with Lazertinib (YH25448)Click to copy article linkArticle link copied!
- David E. Heppner*David E. Heppner*Phone: (716) 645-5133; Email: [email protected]Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United StatesDepartment of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United StatesMore by David E. Heppner
- Florian WittlingerFlorian WittlingerDepartment of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, GermanyMore by Florian Wittlinger
- Tyler S. BeyettTyler S. BeyettDepartment of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United StatesDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United StatesMore by Tyler S. Beyett
- Tatiana ShaurovaTatiana ShaurovaDepartment of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United StatesMore by Tatiana Shaurova
- Daniel A. UrulDaniel A. UrulAssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United StatesMore by Daniel A. Urul
- Brian BuckleyBrian BuckleyDepartment of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United StatesMore by Brian Buckley
- Calvin D. PhamCalvin D. PhamDepartment of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United StatesMore by Calvin D. Pham
- Ilse K. SchaeffnerIlse K. SchaeffnerDepartment of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United StatesDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United StatesMore by Ilse K. Schaeffner
- Bo YangBo YangDepartment of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United StatesDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United StatesMore by Bo Yang
- Blessing C. OgbooBlessing C. OgbooDepartment of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United StatesMore by Blessing C. Ogboo
- Earl W. MayEarl W. MayAssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United StatesMore by Earl W. May
- Erik M. SchaeferErik M. SchaeferAssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United StatesMore by Erik M. Schaefer
- Michael J. EckMichael J. EckDepartment of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United StatesDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United StatesMore by Michael J. Eck
- Stefan A. LauferStefan A. LauferDepartment of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, GermanyCluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, Eberhard Karls Universität Tübingen, 72076 Tübingen, GermanyTübingen Center for Academic Drug Discovery & Development (TüCAD2), 72076 Tübingen, GermanyMore by Stefan A. Laufer
- Pamela A. HershbergerPamela A. HershbergerDepartment of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United StatesMore by Pamela A. Hershberger
Abstract

Lazertinib (YH25448) is a novel third-generation tyrosine kinase inhibitor (TKI) developed as a treatment for EGFR mutant non-small cell lung cancer. To better understand the nature of lazertinib inhibition, we determined crystal structures of lazertinib in complex with both WT and mutant EGFR and compared its binding mode to that of structurally related EGFR TKIs. We observe that lazertinib binds EGFR with a distinctive pyrazole moiety enabling hydrogen bonds and van der Waals interactions facilitated through hydrophilic amine and hydrophobic phenyl groups, respectively. Biochemical assays and cell studies confirm that lazertinib effectively targets EGFR(L858R/T790M) and to a lesser extent HER2. The molecular basis for lazertinib inhibition of EGFR reported here highlights previously unexplored binding interactions leading to improved medicinal chemistry properties compared to clinically approved osimertinib (AZD9291) and offers novel strategies for structure-guided design of tyrosine kinase inhibitors.
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