4.8 Article

EMRinger: side chain directed model and map validation for 3D cryo-electron microscopy

Journal

NATURE METHODS
Volume 12, Issue 10, Pages 943-946

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.3541

Keywords

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Funding

  1. US National Institutes of Health (NIH) [T32GM008284]
  2. US NIH [GM082893, GM098672, GM082250, GM063210, 0D009180, GM110580]
  3. Phenix Industrial Consortium
  4. US Department of Energy [DE-AC02-05CH11231]
  5. Searle Scholar award from the Kinship Foundation
  6. Pew Scholar award from the Pew Charitable Trusts
  7. Packard Fellow award from the Lucille and David Packard Foundation
  8. US National Science Foundation [STC-1231306]
  9. UCSF-SABRE Innovation grant

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Advances in high-resolution cryo-electron microscopy (cryo-EM) require the development of validation metrics to independently assess map quality and model geometry. We report EMRinger, a tool that assesses the precise fitting of an atomic model into the map during refinement and shows how radiation damage alters scattering from negatively charged amino acids. EMRinger (https://github.com/fraser-lab/EMRinger) will be useful for monitoring progress in resolving and modeling high-resolution features in cryo-EM.

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