Data Item _refine.ndb_ls_sigma_I
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General 
- Item name
- _refine.ndb_ls_sigma_I
- Category name
- refine
- Attribute name
- ndb_ls_sigma_I
- Required in PDB entries
- Used in currrent PDB entries
- No
Item Description
Data cutoff (SIGMA(I))
Additional Descriptive Information for Depositors
The limit for cut-off of reflection intensities in units of their estimated standard deviations.This is the cutoff used for refinement, not data collection.
Additional Item Example for Depositors
2.0
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]+)?