Data Item _em_3d_crystal_entity.space_group_num
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General 
- Item name
- _em_3d_crystal_entity.space_group_num
- Category name
- em_3d_crystal_entity
- Attribute name
- space_group_num
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 0.09 % of entries
Item Description
Space group number.
Item Example
22
Data Type 
- Data type code
- int
- Data type detail
- int item types are the subset of numbers that are the negative or positive integers.
- Primitive data type code
- numb
- Regular expression
- [+-]?[0-9]+
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 1 | 230 |