Data Item _citation.pdbx_database_id_patent
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General 
- Item name
- _citation.pdbx_database_id_patent
- Category name
- citation
- Attribute name
- pdbx_database_id_patent
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.005 % of entries
Item Description
If citation is a patent, the accession issued by a
patent office.
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|^-]*