Tom Terwilliger describes how to use the cryo-EM density modification in the Phenix GUI to improve maps.
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Reference:
A fully automatic method yielding initial models from high-resolution electron cryo-microscopy maps
Thomas C. Terwilliger, Steven J. Ludtke, Randy J. Read, Paul D. Adams, Pavel V. Afonine (2020)
https://www.biorxiv.org/content/10.1101/845032v4
