Crystallographic Information Framework

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Index

Macromolecular dictionary (mmCIF) version 2.0.09

_struct_biol_gen.symmetry

Name:
'_struct_biol_gen.symmetry'

Definition:

   Describes the symmetry operation that should be applied to the
   atom set specified by _struct_biol_gen.asym_id to generate a
   portion of the biological structure.

Examples:

. no symmetry or translation to site
4 4th symmetry operation applied
7_645 7th symm. posn.; +a on x; -b on y

Type: symop

Mandatory item: yes

Category: struct_biol_gen


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.