Data Item _em_2d_crystal_entity.length_a

General

Item name
_em_2d_crystal_entity.length_a
Category name
em_2d_crystal_entity
Attribute name
length_a
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 0.008 % of entries

Item Description

Unit-cell length a in Angstroms.

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

+∞