Data Item _pdbx_fraghub_investigation_fragment_lib_citation.year
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General 
- Item name
- _pdbx_fraghub_investigation_fragment_lib_citation.year
- Category name
- pdbx_fraghub_investigation_fragment_lib_citation
- Attribute name
- year
- Required in PDB entries
- no
- Used in current PDB entries
- No
Item Description
The year of the citation; relevant for journal articles, books
and book chapters.
Item Example
2020
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]+