Data Item _refine_analyze.Luzzati_coordinate_error_free
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General 
- Item name
- _refine_analyze.Luzzati_coordinate_error_free
- Category name
- refine_analyze
- Attribute name
- Luzzati_coordinate_error_free
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 7.5 % of entries
Item Description
The estimated coordinate error obtained from the plot of
the R value versus sin(theta)/lambda for the reflections
treated as a test set during refinement.
Ref: Luzzati, V. (1952). Traitement statistique des erreurs
dans la determination des structures cristallines. Acta
Cryst. 5, 802-810.
Additional Descriptive Information for Depositors
The estimated coordinate error obtained from the plot of the R value versus sin(theta)/lambda for the reflections treated as a test set during refinement.
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]+)?
- Units
- angstroms