A snapshot of the PDB archive (ftp://ftp.wwpdb.org) as of January 1, 2018 has been added to ftp://snapshots.wwpdb.org and ftp://snapshots.pdbj.org. Snapshots have been archived annually since January 2005 to provide readily identifiable data sets for research on the PDB archive.
The directory 20180101 includes the 136,472 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 is 1034 GB.