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

International Tables for Crystallography (2006). Vol. F. ch. 24.3, pp. 663-664

Section Data organization

F. H. Allena* and V. J. Hoya

aCambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, England
Correspondence e-mail: Data organization

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Each individual structure in the CSD is referred to as an entry and each entry is identified by a reference code (refcode) containing six alphabetic characters, which characterize a specific chemical compound, and a further two numeric characters which trace the publication history of the structure. The information content of a typical CSD entry is illustrated schematically in Fig.[link] Individual data items can be categorized into three different groupings which are most conveniently described in terms of their dimensionality.


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Information content of the Cambridge Structural Database (CSD).

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