PreprintCited by 23Advanced Electron Microscopy Techniques and ApplicationsEnzyme Structure and FunctionProtein Structure and Dynamics

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Likelihood-based docking of models into cryo-EM maps

Open access
Millán, Claudia, McCoy, Airlie J., Terwilliger, Thomas C., Read, Randy J.·2022·Acta Crystallographica Section D Structural Biology

Preprint — published as 10.1107/s2059798323001602 · Paper page

Abstract

Optimized docking of models into cryo-EM maps requires exploiting an understanding of the signal expected in the data to minimize the calculation time while maintaining sufficient signal. The likelihood-based rotation function used in crystallography can be employed to establish plausible orientations in a docking search. A phased likelihood translation function yields scores for the placement and rigid-body refinement of oriented models. Optimised strategies for choices of the resolution of data from the cryo-EM maps to use in the calculations and the size of search volumes are based on expected log-likelihood-gain scores, computed in advance of the search calculation. Tests demonstrate that the new procedure is fast, robust and effective at placing models into even challenging cryo-EM maps. Synopsis: Exploiting analogies to crystallographic molecular replacement, a strategy for docking into cryo-EM maps is informed by calculations of expected log-likelihood-gain scores.

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Metadata

Authors
Millán, C., McCoy, A. J., Terwilliger, T. C., & Read, R. J.
Affiliations
  • University of Cambridge (GB)
  • Los Alamos National Laboratory (US)
Corresponding author
Read, Randy J.
Venue
Acta Crystallographica Section D Structural Biology
Publisher
openRxiv
Published
2022-12-20
Volume
79
Issue
4
Pages
281-289
ISSN
2059-7983 (ISSN-L)
OpenAlex
W4324304869
Cited by
23
References
1
Citations by year
2026: 3 · 2025: 8 · 2024: 8 · 2023: 4
FWCI
2.03
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Acta Crystallographica Section D Structural Biology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo (cc-by)
  • Apollo
Funders
  • Wellcome Trust (Z/17/Z, 209407/Z/17/Z, 209407)
  • National Institutes of Health (GM063210)
  • National Institute of General Medical Sciences (P01GM063210, GM063210)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Structural Biology › Advanced Electron Microscopy Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Structural Biology › Enzyme Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
model orientation, rigid-body refinement, map resolution, model placement
MeSH terms
Models, Molecular, Protein Conformation, Proteins, Likelihood Functions, Crystallography, X-Ray, Cryoelectron Microscopy

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