Happy Holidays and New year from the EMDB! Please be advised that the EMDB team will be operating at reduced capacity between December 15th - January 12th. With this in mind we would ask that you be prepared for longer reply times through both our helpdesk system and the OneDep deposition system. well done on a productive 2025, wishing you all the best and we will see you in 2026!

The Electron Microscopy Data Bank (EMDB) is a public repository for cryogenic-sample Electron Microscopy (cryoEM) volumes and representative tomograms of macromolecular complexes and subcellular structures. It covers a variety of techniques, including single-particle analysis, helical reconstruction, electron tomography, subtomogram averaging, and electron crystallography. More...

As of 31 December 2025, EMDB contains 52942 entries (latest entries, trends).

EMDB News

  • Q-score as a reliability measure for protein, nucleic acid and small-molecule atomic coordinate models derived from 3DEM maps

    Grigore Pintilie, Chenghua Shao, Zhe Wang, Brian P Hudson, Justin W Flatt, Michael F Schmid, Kyle L Morris, Stephen K Burley, Wah Chiu. (2025) Acta Cryst D81: 410-422 doi: 10.1107/S2059798325005923

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  • A total of 2,540 respondants took the time to fill in this EMBL-EBI survey. We will learn how EMDB and other services like EMPIAR and PDB help you and this will help EMBL-EBI make the case for why open data resources are critical to life science research. Thank you for the incredible number of responses.

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  • We are delighted to share that EMDB has officially been elevated to a Core Data Resource by ELIXIR, recognising it as a European data resource of fundamental importance to the wider life-science community and the long-term preservation of biological data.

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Explore EMDB

Select a graph from the pull-down menu. Click on any element of a graph to see the corresponding list of EMDB entries.