PDBx/mmCIF
Home
Dictionaries
Browse the PDBx/mmCIF Dictionaries
Current version (V5) PDBx/mmCIF
Development Version PDBx/mmCIF
Dictionary Definition Language V2
wwPDB Validation
Browse Other Dictionaries
IHMCIF
flrCIF
Previous PDBx/mmCIF V4
Original mmCIF
NMRIF/NMR-STAR
NMR Exchange Format (NEF)
SAS
NDB NTC
3DEM
Image mmCIF
Symmetry
Biosync
ModelCIF
Documentation
PDBx/mmCIF FAQ
PDBx/mmCIF User Guide
Format
Large Structures in PDBx/mmCIF
PDB to PDBx Format Correspondences
wwPDB PDBx/mmCIF Working Group
Software
Software resources
C++ Examples
Python Examples
Reference
File syntax
Dictionary organization
Atomic description
Molecular description
Reference List
Early history
Glossary
Downloads
Contact Us
Data Item
_space_group.id
Browse:
Dictionary
Category Groups
Data Categories
Data Items
Supporting Data
General
Item name
_space_group.id
Category name
space_group
Attribute name
id
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 7.0 % of entries
Item Description
This is an identifier needed if _space_group_* items are looped.
Data Type
Data type code
char
Data type detail
char item types / multi-word items ...
Primitive data type code
char
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Child Data Items
_space_group_Wyckoff.sg_id
_space_group_symop.sg_id