Cited by 199Protein Kinase Regulation and GTPase SignalingProtein Tyrosine PhosphatasesBiochemical and Molecular Research

Approach for targeting Ras with small molecules that activate SOS-mediated nucleotide exchange

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Burns, Michael C., Sun, Qi, Daniels, R. Nathan, Camper, DeMarco, Kennedy, J. Phillip, Phan, Jason, Olejniczak, Edward T., Lee, Taekyu +3 more·2014·Proceedings of the National Academy of Sciences

Abstract

Significance: Ras is one of the most highly validated targets in cancer; however, the discovery of potent inhibitors of Ras has been difficult to achieve. We report the discovery of small molecules that bind to a pocket on the Ras:Son of Sevenless:Ras complex and alter Ras activity in biochemical and cell-based experiments. High-resolution cocrystal structures define the protein–ligand interactions, and the lead compounds provide a starting point for the discovery of potent inhibitors of Ras signaling.

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Crossref · 10.1073/pnas.1315798111

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Authors
Burns, M. C., Sun, Q., Daniels, R. N., Camper, D., Kennedy, J. P., Phan, J., Olejniczak, E. T., Lee, T., Waterson, A. G., Rossanese, O. W., & Fesik, S. W.
Affiliations
  • Vanderbilt University (US)
  • Departments of aBiochemistry,
Venue
Proceedings of the National Academy of Sciences
Published
2014-02-18
Volume
111
Issue
9
Pages
3401-3406
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2024839004
Cited by
199
References
32
Citations by year
2026: 8 · 2025: 11 · 2024: 18 · 2023: 24 · 2022: 17 · 2021: 15 · 2020: 17 · 2019: 16 · 2018: 21 · 2017: 15 · 2016: 10 · 2015: 16 · 2014: 11
FWCI
7.10
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (DP1OD006933)
  • U.S. Public Health Service (5P50A095103-09)
  • National Cancer Institute (DP1CA174419, P50CA095103, T32CA009582)
  • National Institute of General Medical Sciences (T32-GM 07347, T32GM007347)
  • National Center for Research Resources (S10RR025677)
Topics
  • 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 Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Molecular Research
Keywords
Ras activation, small molecule activators, SOS1, nucleotide exchange, switch II region, structure-activity relationship, Ras-GTP, MAPK signaling, PI3K signaling, oncogenic Ras, receptor tyrosine kinase signaling
MeSH terms
Chromatography, Liquid, Chromatography, Thin Layer, Fluorescence Polarization, HeLa Cells, Humans, Indoles, Ligands, Models, Molecular, Magnetic Resonance Spectroscopy, Piperidines, Protein Conformation, Mass Spectrometry, Molecular Structure, Proto-Oncogene Proteins p21(ras), Crystallography, X-Ray, SOS1 Protein, Multiprotein Complexes

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