Cited by 614Computational Drug Discovery MethodsProtein Structure and DynamicsAdvanced Physical and Chemical Molecular Interactions

How Does a Drug Molecule Find Its Target Binding Site?

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Shan, Yibing, Kim, Eric T., Eastwood, Michael P., Dror, Ron O., Seeliger, Markus A., Shaw, David E.·2011·Journal of the American Chemical Society

Abstract

Although the thermodynamic principles that control the binding of drug molecules to their protein targets are well understood, detailed experimental characterization of the process by which such binding occurs has proven challenging. We conducted relatively long, unguided molecular dynamics simulations in which a ligand (the cancer drug dasatinib or the kinase inhibitor PP1) was initially placed at a random location within a box that also contained a protein (Src kinase) to which that ligand was known to bind. In several of these simulations, the ligand correctly identified its target binding site, forming a complex virtually identical to the crystallographically determined bound structure. The simulated trajectories provide a continuous, atomic-level view of the entire binding process, revealing persistent and noteworthy intermediate conformations and shedding light on the role of water molecules. The technique we employed, which does not assume any prior knowledge of the binding site's location, may prove particularly useful in the development of allosteric inhibitors that target previously undiscovered binding sites.

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Authors
Shan, Y., Kim, E. T., Eastwood, M. P., Dror, R. O., Seeliger, M. A., & Shaw, D. E.
Affiliations
  • D. E. Shaw Research (US)
  • Stony Brook University (US)
Corresponding author
Shaw, David E.
Venue
Journal of the American Chemical Society
Published
2011-05-13
Volume
133
Issue
24
Pages
9181-9183
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W1989814214
Cited by
614
References
11
Citations by year
2026: 18 · 2025: 23 · 2024: 24 · 2023: 35 · 2022: 46 · 2021: 49 · 2020: 52 · 2019: 40 · 2018: 46 · 2017: 49 · 2016: 46 · 2015: 46 · 2014: 45 · 2013: 40 · 2012: 40
FWCI
41.89
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of General Medical Sciences (R00GM080097)
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
Keywords
Src kinase, dasatinib, protein phosphatase 1, kinase inhibitors, binding intermediates, allosteric inhibitors, protein-ligand binding
MeSH terms
Dasatinib, Binding Sites, Protein Binding, Protein Conformation, Pyrazoles, Pyrimidines, Thiazoles, src-Family Kinases, Molecular Dynamics Simulation

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