Cited by 133Protein Tyrosine PhosphatasesProtein Kinase Regulation and GTPase SignalingProtein Structure and Dynamics

Mechanism of activating mutations and allosteric drug inhibition of the phosphatase SHP2

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Pádua, Ricardo A. P., Sun, Yizhi, Marko, Ingrid, Pitsawong, Warintra, Stiller, John B., Otten, Renee, Kern, Dorothee·2018·Nature Communications

Abstract

Protein tyrosine phosphatase SHP2 functions as a key regulator of cell cycle control, and activating mutations cause several cancers. Here, we dissect the energy landscape of wild-type SHP2 and the oncogenic mutation E76K. NMR spectroscopy and X-ray crystallography reveal that wild-type SHP2 exchanges between closed, inactive and open, active conformations. E76K mutation shifts this equilibrium toward the open state. The previously unknown open conformation is characterized, including the active-site WPD loop in the inward and outward conformations. Binding of the allosteric inhibitor SHP099 to E76K mutant, despite much weaker, results in an identical structure as the wild-type complex. A conformational selection to the closed state reduces drug affinity which, combined with E76K’s much higher activity, demands significantly greater SHP099 concentrations to restore wild-type activity levels. The differences in structural ensembles and drug-binding kinetics of cancer-associated SHP2 forms may stimulate innovative ideas for developing more potent inhibitors for activated SHP2 mutants.

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  • SHP2 is involved in regulation of multiple signaling pathways, including RAS-MAPK, PI3K-AKT and JAK-STAT.

    “As protein tyrosine phosphorylation plays an essential role in multiple intracellular processes, SHP2 is involved in the regulation of multiple signaling pathways, including those involved in cancer cells, such as RAS-MAPK, PI3K-AKT and JAK-STAT pathways.”

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Authors
Pádua, R. A. P., Sun, Y., Marko, I., Pitsawong, W., Stiller, J. B., Otten, R., & Kern, D.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Kern, Dorothee
Venue
Nature Communications
Published
2018-10-30
Volume
9
Issue
1
Pages
4507-4507
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2898440791
Cited by
133
References
79
Citations by year
2026: 12 · 2025: 20 · 2024: 18 · 2023: 21 · 2022: 18 · 2021: 20 · 2020: 17 · 2019: 7
FWCI
4.09
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
Funders
  • Howard Hughes Medical Institute (DE-AC02-05CH11231)
  • U.S. Department of Energy (-AC02-05CH11231, 76SF00515, DE–AC02–76SF00515, 05CH11231, P41GM103393, DE AC02 05CH11231, AC02‐76SF00515, DE-AC02-)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (DE-AC02-05CH11231)
  • National Institutes of Health (DE-AC02–05CH11231, DE-AC02-76SF00515, GM100966)
  • Office of Science (AC02-76SF00515, P41GM103393, DEAC02–05CH11231, AC02-05CH11231, DE-AC02-76SF0051 5, DE-AC02, 05CH11231, 76SF00515)
  • Ciência sem Fronteiras
  • National Institute of General Medical Sciences (T32GM007596, DE-AC02-05CH11231, DE-AC02-76SF00515, R01GM100966, P41GM103393)
  • National Institute of Biomedical Imaging and Bioengineering (T32EB009419)
  • Basic Energy Sciences (DE-AC02, DE-AC02-05CH11231., P41GM103393, AC02–05CH11231, 76SF00515, AC02-76SF00515, DE-AC-02-76SF00515)
  • Biological and Environmental Research (05CH11231, P41 GM103393, DE-AC02 − 05CH11231, DE- AC0276SF00515, AC02-05CH11231)
  • SLAC National Accelerator Laboratory (DE-AC02-05-CH11231, DEAC02−76SF00515, AC02‐76SF00515, P41GM103393)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
SHP2, protein tyrosine phosphatase, oncogenic mutations, allosteric inhibition, SHP099, conformational selection, open and closed conformations, WPD loop, energy landscape, drug binding kinetics, cancer
MeSH terms
Allosteric Regulation, Humans, Mutation, Magnetic Resonance Spectroscopy, Piperidines, Protein Conformation, Pyrimidines, Crystallography, X-Ray, Protein Tyrosine Phosphatase, Non-Receptor Type 11

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