Data Item _pdbx_dcc_density.twin_operator
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General 
- Item name
- _pdbx_dcc_density.twin_operator
- Category name
- pdbx_dcc_density
- Attribute name
- twin_operator
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
Twin operators determined by REFMAC.
Data Type 
- Data type code
- line
- Data type detail
- char item types / multi-word items ...
- Primitive data type code
- char
- Regular expression
- [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*