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
_ndb_struct_na_base_pair.hbond_type_12
Browse:
Dictionary
Category Groups
Data Categories
Data Items
Supporting Data
General
Item name
_ndb_struct_na_base_pair.hbond_type_12
Category name
ndb_struct_na_base_pair
Attribute name
hbond_type_12
Required in PDB entries
no
Used in current PDB entries
Yes, in about 7.2 % of entries
Item Description
Base pair classification of Westhoff and Leontis.
Data Type
Data type code
int
Data type detail
int item types are the subset of numbers that are the negative or positive integers.
Primitive data type code
numb
Regular expression
[+-]?[0-9]+