General ![](/assets/images/glyphicons-dot-com/png/glyphicons_195_circle_info.png)
- Item name
- _ndb_refine.free_R_val_no_cutoff
- Category name
- ndb_refine
- Attribute name
- free_R_val_no_cutoff
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description ![](/assets/images/glyphicons-dot-com/png/glyphicons_195_circle_info.png)
Data Type ![](/assets/images/misc/regex-35.png)
- 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]+)?