Tables for
Volume F
Crystallography of biological macromolecules
Edited by M. G. Rossmann and E. Arnold

International Tables for Crystallography (2006). Vol. F, ch. 24.5, p. 679   | 1 | 2 |

Section 24.5.4. Data distribution

H. M. Berman,a* J. Westbrook,a Z. Feng,a G. Gilliland,b T. N. Bhat,b H. Weissig,c I. N. Shindyalovc and P. E. Bourned

aDepartment of Chemistry, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854-8087, USA,bNational Institute of Standards and Technology, Biotechnology Division, 100 Bureau Drive, Gaithersburg, MD 20899, USA,cSan Diego Supercomputer Center, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0537, USA, and dDepartment of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0537, USA
Correspondence e-mail:

24.5.4. Data distribution

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Data are distributed to the community in the following ways:

  • (1) From primary PDB web and ftp sites at UCSD, Rutgers and NIST that are updated weekly.

  • (2) From complete web-based mirror sites that contain all databases, data files, documentation and query interfaces, updated weekly.

  • (3) From ftp-only mirror sites that contain a complete or subset copy of data files, updated at intervals defined by the mirror site. The steps necessary to create an ftp-only mirror site are described at .

  • (4) Quarterly CD-ROM.

Data available for distribution include PDB files, mmCIF files, derived information, structure factors, NMR restraints, documentation, data dictionaries and software.

The RCSB has been responsible for distribution of PDB data since 3 February 1999. Data are distributed once a week. New data officially become available at 1 a.m. Pacific Standard Time each Wednesday. This follows the tradition developed by BNL and has minimized the impact of the transition on existing mirror sites. Since May 1999, two ftp archives have been provided: , a reorganized and more logical organization of all PDB data, software and documentation; and , a near-identical copy of the original BNL archive which is maintained for purposes of backward compatibility. RCSB-style PDB mirrors have been established in Japan (Osaka University), Singapore (National University Hospital), Brazil (Universidade Federal de Minas Gerais Brazil) and in the UK (the Cambridge Crystallographic Data Centre). Plans call for operating mirrors in Australia, Canada, Germany and possibly India.

The first PDB CD-ROM distribution by the RCSB contained the coordinate files, experimental data, software and documentation as found in the PDB on 30 June 1999. Data are currently distributed as compressed files using the compression utility program gzip. Refer to for details of how to order CD-ROM sets. There is presently no charge for this service.

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