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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_space_group.IT_number
Name:'_space_group.IT_number'
Definition:
The number as assigned in International Tables for Crystallography Vol. A, specifying the proper affine class (i.e. the orientation-preserving affine class) of space groups (crystallographic space-group type) to which the space group belongs. This number defines the space-group type but not the coordinate system in which it is expressed.
Type: int
Mandatory item: no
Alias:_space_group_IT_number (cif_core.dic version 2.3)
The permitted range is [1, 230]
Related item: _symmetry.Int_Tables_number (alternate)
Category: space_group