View source for 2025Cao EMInfo

== Citation ==

H. Cao, J. He, T. Li, and S.-Y. Huang, “Deciphering Protein Secondary Structures and Nucleic Acids in Cryo-EM Maps Using Deep Learning,” J. Chemical Information and Modeling, 2025.

== Abstract ==

With the resolution revolution of cryo-electron microscopy (cryo-EM) and the rapid development of image processing technology, cryo-EM has become an indispensable experimental method for determining the three-dimensional structures of biological macromolecules. However, structural modeling from cryo-EM maps remains a difficult task for intermediate-resolution maps. In such cases, detection of protein secondary structures and nucleic acid locations in an EM map is of great value for model building of the map. Meeting the need, we present a deep learning-based method for detecting protein secondary structures and nucleic acid locations in cryo-EM density maps, named EMInfo. EMInfo was extensively evaluated on two protein-nucleic acid complex test sets including intermediate-resolution experimental maps and high-resolution experimental maps and compared them with two state-of-the-art methods including Emap2sec+ and Haruspex. It is shown that EMInfo can accurately predict different structural categories in an EM map. EMInfo is freely available at http://huanglab.phys.hust.edu.cn/EMInfo/.

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== Links ==

https://pubs.acs.org/doi/full/10.1021/acs.jcim.4c01971

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