PDBx/mmCIF
Home
Dictionaries
Browse the PDBx/mmCIF Dictionaries
Current version (V5) PDBx/mmCIF
Development Version PDBx/mmCIF
Dictionary Definition Language V2
Browse Other Dictionaries
Integrative/Hybrid Methods (IHM)
Previous PDBx/mmCIF V4
Original mmCIF
NMRIF/NMR-STAR
NMR Exchange Format (NEF)
SAS
NDB NTC
3DEM
Image mmCIF
Symmetry
Biosync
Model Archive
Documentation
PDBx/mmCIF FAQ
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
_chem_link_bond.value_dist_esd
Browse:
Dictionary
Category Groups
Data Categories
Data Items
Supporting Data
General
Item name
_chem_link_bond.value_dist_esd
Category name
chem_link_bond
Attribute name
value_dist_esd
Required in PDB entries
no
Used in currrent PDB entries
No
Item Description
The standard uncertainty (estimated standard deviation) of _chem_link_bond.value_dist.
Data Type
Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
Units
angstroms
Allowed Boundary Conditions
Minimum Value
Maximum Value
0.0
+∞
Related Items
Related Item Name
Relation Type
_chem_link_bond.value_dist
associated_value