Data Item _pdbx_investigation_sample.poly_descript_id
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General 
- Item name
- _pdbx_investigation_sample.poly_descript_id
- Category name
- pdbx_investigation_sample
- Attribute name
- poly_descript_id
- Required in PDB entries
- yes
- Used in current PDB entries
- No
Item Description
This data item is a pointer to _pdbx_investigation_poly_descript.id in the
PDBX_INVESTIGATION_POLY_DESCRIPT category. This identifer will form a reference
to an aggregated list (n=>1) of macromolecular sample components.
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]+
