Measuring the effects of particle orientation to improve the efficiency of electron cryomicroscopy

Katerina Naydenova and Christopher J. Russo ()
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Katerina Naydenova: MRC Laboratory of Molecular Biology
Christopher J. Russo: MRC Laboratory of Molecular Biology

Nature Communications, 2017, vol. 8, issue 1, 1-5

Abstract: Abstract The orientation distribution of a single-particle electron cryomicroscopy specimen limits the resolution of the reconstructed density map. Here we define a statistical quantity, the efficiency, E od, which characterises the orientation distribution via its corresponding point spread function. The efficiency measures the ability of the distribution to provide uniform information and resolution in all directions of the reconstruction, independent of other factors. This metric allows rapid and rigorous evaluation of specimen preparation methods, assisting structure determination to high resolution with minimal data.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00782-3

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DOI: 10.1038/s41467-017-00782-3

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