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Current approaches for automated model building into cryo-EM maps using Buccaneer with CCP-EM

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Publication details

JournalActa crystallographica. Section D, Structural biology
DateAccepted/In press - 20 Apr 2020
DatePublished (current) - 1 Jun 2020
Issue numberPart 6
Number of pages11
Pages (from-to)531-541
Original languageEnglish


This work focuses on the use of the existing protein-model-building software Buccaneer to provide structural interpretation of electron cryo-microscopy (cryo-EM) maps. Originally developed for application to X-ray crystallography, the necessary steps to optimise the usage of Buccaneer with cryo-EM maps are shown. This approach has been applied to the data sets of 208 cryo-EM maps with resolutions of better than 4 Å. The results obtained also show an evident improvement in the sequencing step when the initial reference map and model used for crystallographic cases are replaced by a cryo-EM reference. All other necessary changes to settings in Buccaneer are implemented in the model-building pipeline from within the CCP-EM interface (as of version 1.4.0).

    Research areas

  • Buccaneer, CCP-EM, Collaborative Computational Project for Electron cryo-Microscopy, Cryo-EM, Model building


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