EMPIAR, the Electron Microscopy Public Image Archive, is a public resource for raw images underpinning 3D cryo-EM maps and tomograms (themselves archived in EMDB). EMPIAR also accommodates 3D datasets obtained with volume EM techniques and soft and hard X-ray tomography. More ...
As of 2024-07-15, EMPIAR contains 1780 entries, taking up 4.58 PB of storage.
Browse and download EMPIAR datasets using the table below. The EMDB search system also supports searches of all EMPIAR entries (video tutorial).


  • 6 January 2023: We have published a reference paper for EMPIAR in the 2023 NAR Database issue. Please cite this whenever you refer to EMPIAR: Iudin et al., NAR 51, D1503-D1511 (2023)

  • 22 December 2022: EMPIAR proudly announces the first public release of SPW, the Sample Preparation Widget. It has been developed in collaboration with and is intended for use by the volume EM community. Read more here.

  • 21 June 2022: EMDB and EMPIAR have launched a dedicated YouTube channel where you can find talks, tutorials, and much more. Check it out and let us know what content you would like to see.

Release date Dataset Title Authors and references Size Resolution
X Available download options: