Data Item _refine.ls_number_restraints

General

Item name
_refine.ls_number_restraints
Category name
refine
Attribute name
ls_number_restraints
Required in PDB entries
no
Used in current PDB entries
Yes, in about 1.4 % of entries

Item Description

The number of restrained parameters. These are parameters which are not directly dependent on another refined parameter. Restrained parameters often involve geometry or energy dependencies. See also _atom_site.constraints and _atom_site.refinement_flags. A general description of refinement constraints may appear in _refine.details.

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]+

Allowed Boundary Conditions

Minimum Value Maximum Value
0

+∞

Aliases

Alias Item Name Dictionary Name Dictionary Version
_refine_ls_number_restraints cif_core.dic 2.0.1