Data Item _pdbx_serial_crystallography_measurement.source_size
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General 
- Item name
- _pdbx_serial_crystallography_measurement.source_size
- Category name
- pdbx_serial_crystallography_measurement
- Attribute name
- source_size
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.005 % of entries
Item Description
The dimension of the source beam measured at the source (micrometres squared).
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
- micrometres_squared
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | +∞ |