Data Item _ndb_refine.free_R_factor_4sig_cutoff
Browse:
General 
- Item name
- _ndb_refine.free_R_factor_4sig_cutoff
- Category name
- ndb_refine
- Attribute name
- free_R_factor_4sig_cutoff
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
SHELXL refinement: free R value (4 sigma cutoff).
Item Example
0.216
Data Type 
- Data type code
- float
- Data type detail
- int 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]+)?