Data Item _diffrn_source.source

General

Item name
_diffrn_source.source
Category name
diffrn_source
Attribute name
source
Required in PDB entries
no
Required for PDB deposition
yes
Used in current PDB entries
Yes, in about 82.5 % of entries

Item Description

The general class of the radiation source.

Additional Descriptive Information for Depositors

               The general class of the radiation source.
 sealed X-ray tube
 nuclear reactor
 spallation source
 electron microscope
 rotating-anode X-ray tube
 synchrotron

Data Type

Data type code
text
Data type detail
text item types / multi-line text ...
Primitive data type code
char
Regular expression
[][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*

Controlled Vocabulary at Deposition

Allowed Value Details
ELECTRON MICROSCOPE .
FREE ELECTRON LASER .
NUCLEAR REACTOR .
ROTATING ANODE .
SEALED TUBE .
SPALLATION SOURCE .
SYNCHROTRON .

Aliases

Alias Item Name Dictionary Name Dictionary Version
_diffrn_radiation_source cifdic.c91 1.0
_diffrn_source cif_core.dic 2.0