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

International Tables for Crystallography (2006). Vol. F, ch. 24.3, p. 668

Section 24.3.5. Accessing the CSD system and IsoStar

F. H. Allena* and V. J. Hoya

aCambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, England
Correspondence e-mail:  allen@ccdc.cam.ac.uk

24.3.5. Accessing the CSD system and IsoStar

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24.3.5.1. Release mechanisms

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The CSD system, comprising the CSD and CSD-Use databases, and all of the applications software described above, is available on CD-ROM for Unix and DEC-VMS platforms and for PCs operating under Linux. At the time of writing (mid-2000), ConQuest alone is available for PC-Windows platforms, but the full availability of other components of the CSD system is currently being addressed. The CSD is released twice yearly, in April and October, as an indexed sequential binary file, with full installation instructions contained within the CD. Versions of the CSD have been reformatted for use with proprietary software systems: the MACCS3D/Isis system from Molecular Design Limited, and the Sybyl-UNITY system from Tripos Associates.

Subscribers in academic and other not-for-profit institutions may obtain the CSD system through their local National Affiliated Centre (NAC). The names, addresses and other coordinates of these centres are contained in the CCDC's web pages (see below). Users in countries not covered by NAC arrangements, or users from for-profit companies and organizations, should contact the CCDC directly.

The IsoStar library, for Unix systems only, is released after each library update, currently planned to occur on an annual basis. IsoStar forms part of the distributed CSD system, and CDs are available through the same mechanisms as the main system.

24.3.5.2. Information about the CCDC

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The CCDC maintains an extensive set of information on the web site http://www.ccdc.cam.ac.uk . The site describes the CSD system, IsoStar, and the associated research and development activities of the CCDC. These pages also provide access to CSD system documentation, provide lists of contact details for the National Affiliated Centres that service not-for-profit users worldwide, and give up-to-date information on how to contact the CCDC directly.








































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