Data Item _refine_ls_shell.percent_reflns_obs
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General 
- Item name
- _refine_ls_shell.percent_reflns_obs
- Category name
- refine_ls_shell
- Attribute name
- percent_reflns_obs
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 71.2 % of entries
Item Description
The number of reflections that satisfy the resolution limits
established by _refine_ls_shell.d_res_high and
_refine_ls_shell.d_res_low and the observation criterion
established by _reflns.observed_criterion, expressed as a
percentage of the number of geometrically observable
reflections that satisfy the resolution limits.
Additional Descriptive Information for Depositors
Within the indicated shell, the number of reflections that satisfy both resolution limits and observation criterion, expressed as a percentage of the number of geometrically observable reflections that satisfy the resolution limits.
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]+)?
Advisory Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 20 | 100 |