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
_h_exch_protection_factor.atom_type
Browse:
Dictionary
Category Groups
Data Categories
Data Items
Supporting Data
General
Item name
_h_exch_protection_factor.atom_type
Category name
h_exch_protection_factor
Attribute name
atom_type
Required in PDB entries
yes
Used in currrent PDB entries
No
Item Description
The value for this tag is a standard IUPAC abbreviation for an element (i.e., H, C, P, etc).
Data Type
Data type code
code
Data type detail
code item types/single words ...
Primitive data type code
char
Regular expression
[_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*