Data Item _atom_site_anisotrop.U[3][3]_esd

General

Item name
_atom_site_anisotrop.U[3][3]_esd
Category name
atom_site_anisotrop
Attribute name
U[3][3]_esd
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.007 % of entries

Item Description

The standard uncertainty (estimated standard deviation) of _atom_site_anisotrop.U[3][3].

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_squared