Journal article

ENRICH: a fast method to improve the quality of flexible macromolecular reconstructions

Mohsen Kazemi, Carlos Oscar S Sorzano, Amedee Des Georges, Jose Maria Carazo, Javier Vargas

bioRxiv: The Preprint Server for Biology | Cold Spring Harbor Laboratory | Published : 2018

Abstract

Cryo-electron microscopy using single particle analysis requires the computational averaging of thousands of projection images captured from identical macromolecules. However, macromolecules usually present some degree of flexibility showing different conformations. Computational approaches are then required to classify heterogeneous single particle images into homogeneous sets corresponding to different structural states. Nonetheless, sometimes the attainable resolution of reconstructions obtained from these smaller homogeneous sets is compromised because of reduced number of particles or lack of images at certain macromolecular orientations. In these situations, the current solution to imp..

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