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A snapshot of the PDB Core archive ( as of January 1, 2020 has been added to and Snapshots have been archived annually since 2005 to provide readily identifiable data sets for research on the PDB archive.

The directory 20200101 includes the 159,140 experimentally-determined structure and experimental data available at that time. Atomic coordinate and related metadata are available in PDBx/mmCIF, PDB, and XML file formats. The date and time stamp of each file indicates the last time the file was modified. The snapshot of PDB Core archive is 575 GB.

A snapshot of the EMDB Core archive ( as of January 1, 2020 can be found in and The snapshot of EMDB Core archive contains map files and their metadata within XML files for both released and obsoleted entries (10370 and 130, respectively) and is 1.7 TB in size.

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Created: 2020-01-09
PDB entries from 2020-08-05