Data Item _refln.pdbx_r_free_flag
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General 
- Item name
- _refln.pdbx_r_free_flag
- Category name
- refln
- Attribute name
- pdbx_r_free_flag
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.001 % of entries
Item Description
The R-free flag originally assigned to the reflection. The convention used for
labeling the work and test sets differs depending on choice of data processing
software and refinement program.
Data Type 
- Data type code
- int
- Data type detail
- int item types are the subset of numbers that are the negative or positive integers.
- Primitive data type code
- numb
- Regular expression
- [+-]?[0-9]+