General  
 
- Item name
- _refine.pdbx_ls_sigma_Fsqd
- Category name
- refine
- Attribute name
- pdbx_ls_sigma_Fsqd
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about  0.000 % of entries
 
 
 
 
Item Description  
 
 
 
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]+)?