Data Item _diffrn_source.source
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General 
- Item name
- _diffrn_source.source
- Category name
- diffrn_source
- Attribute name
- source
- Required in PDB entries
- Used in current PDB entries
- Yes, in about 82.1 % of entries
Item Description
The general class of the radiation source.
Additional Descriptive Information for Depositors
Select the type of radiation source: rotating anode, sealed tube, or synchrotron.
Item Example1
sealed X-ray tube
Item Example2
nuclear reactor
Item Example3
spallation source
Item Example4
electron microscope
Item Example5
rotating-anode X-ray tube
Item Example6
synchrotron
Additional Item Example for Depositors1
sealed tube
Additional Item Example for Depositors2
rotating-anode X-ray tube
Additional Item Example for Depositors3
synchrotron
Additional Item Example for Depositors4
nuclear reactor
Additional Item Example for Depositors5
spallation source
Additional Item Example for Depositors6
electron microscope
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|^-]*
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _diffrn_radiation_source | cifdic.c91 | 1.0 |
| _diffrn_source | cif_core.dic | 2.0 |