Data Item _pdbx_serial_crystallography_measurement.source_distance

General

Item name
_pdbx_serial_crystallography_measurement.source_distance
Category name
pdbx_serial_crystallography_measurement
Attribute name
source_distance
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.001 % of entries

Item Description

The distance from source to the sample along the optical axis (metres).

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
metres

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞