Cited by 155Computational Drug Discovery MethodsProtein Structure and DynamicsEnzyme Structure and Function

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Incorporation of protein flexibility and conformational energy penalties in docking screens to improve ligand discovery.

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Abstract

Proteins fluctuate between alternative conformations, which presents a challenge for ligand discovery because such flexibility is difficult to treat computationally owing to problems with conformational sampling and energy weighting. Here we describe a flexible docking method that samples and weights protein conformations using experimentally derived conformations as a guide. The crystallographically refined occupancies of these conformations, which are observable in an apo receptor structure, define energy penalties for docking. In a large prospective library screen, we identified new ligands that target specific receptor conformations of a cavity in cytochrome c peroxidase, and we confirm both ligand pose and associated receptor conformation predictions by crystallography. The inclusion of receptor flexibility led to ligands with new chemotypes and physical properties. By exploiting experimental measures of loop and side-chain flexibility, this method can be extended to the discovery of new ligands for hundreds of targets in the Protein Data Bank for which similar experimental information is available.

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Metadata

Authors
Fischer, M., Coleman, R. G., Fraser, J. S., & Shoichet, B. K.
Affiliations
University of California, San Francisco (US)
Corresponding author
  • Fraser, James S.
  • Shoichet, Brian K.
Venue
Nature Chemistry
Published
2014-05-25
Volume
6
Issue
7
Pages
575-583
ISSN
  • 1755-4330 (ISSN-L)
  • 1755-4349
OpenAlex
W2089879448
Cited by
149
References
51
Citations by year
2026: 7 · 2025: 14 · 2024: 11 · 2023: 14 · 2022: 11 · 2021: 9 · 2020: 8 · 2019: 8 · 2018: 15 · 2017: 14 · 2016: 16 · 2015: 16 · 2014: 6
FWCI
18.63
Type
journal article
Language
en
Open access
Locations
  • Nature Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health (DP5OD009180)
  • National Institute of General Medical Sciences (F32GM096544, GM59957, R01GM059957)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Drug Discovery › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Structural Biology › Enzyme Structure and Function
Keywords
protein flexibility, flexible docking, conformational sampling, ligand discovery, cytochrome c peroxidase, ligand pose prediction, loop flexibility, side-chain flexibility
MeSH terms
Ligands, Models, Molecular, Protein Binding, Protein Conformation, Proteins

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