Automated particle picking for low-contrast macromolecules in cryo-electron microscopy.
Automated particle picking for low-contrast macromolecules in cryo-electron microscopy.
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DOI:
10.1016/j.jsb.2014.03.001
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发表时间:
2014-04
影响因子:
3
通讯作者:
Frank, Joachim
中科院分区:
文献类型:
--
作者:
Langlois, Robert;Pallesen, Jesper;Ash, Jordan T.;Ho, Danny Nam;Rubinstein, John L.;Frank, Joachim
Cryo-electron microscopy is an increasingly popular tool for studying the structure and dynamics of biological macromolecules at high resolution. A crucial step in automating single-particle reconstruction of a biological sample is the selection of particle images from a micrograph. We present a novel algorithm for selecting particle images in low-contrast conditions; it proves more effective than the human eye on close-to-focus micrographs, yielding improved or comparable resolution in reconstructions of two macromolecular complexes.
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