[wwPDB] Time-stamped Copies of PDB and EMDB Archives

A snapshot of the PDB Core archive (ftp://ftp.wwpdb.org, https://s3.rcsb.org/) as of January 02, 2023 has been added to ftp://snapshots.wwpdb.org, https://s3snapshots.rcsb.org (AWS), and ftp://snapshots.pdbj.org. Snapshots have been archived annually since 2005 to provide readily identifiable data sets for research on the PDB archive.

The directory 20230102 includes the 199,755 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 1086 GB.

A snapshot of the EMDB Core archive (ftp://ftp.ebi.ac.uk/pub/databases/emdb/) as of January 02, 2023 can be found in ftp://ftp.ebi.ac.uk/pub/databases/emdb_vault/20230102/ and ftp://snapshots.pdbj.org/20230102/. The snapshot of EMDB Core Archive contains map files and their metadata within XML files for both released and obsoleted entries (24186 and 262, respectively) and is 8.9 TB in size.

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