Data Item _refine.pdbx_ls_sigma_F
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General 
- Item name
- _refine.pdbx_ls_sigma_F
- Category name
- refine
- Attribute name
- pdbx_ls_sigma_F
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 20.5 % of entries
Item Description
Data cutoff (SIGMA(F))
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]+)?
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _refine.ndb_ls_sigma_F | cif_rcsb.dic | 1.1 |