Data Item _reflns_shell.percent_possible_obs
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General 
- Item name
- _reflns_shell.percent_possible_obs
- Category name
- reflns_shell
- Attribute name
- percent_possible_obs
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 1.2 % of entries
Item Description
The percentage of geometrically possible reflections represented
by reflections classified as 'observed' (see
_reflns.observed_criterion) for this shell.
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]+)?
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | 100.0 |
Advisory Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 20 | 100 |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _reflns_shell_percent_possible_obs | cif_core.dic | 2.0.1 |