Data Item _pdbx_nmr_chem_shift_reference.label
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General 
- Item name
- _pdbx_nmr_chem_shift_reference.label
- Category name
- pdbx_nmr_chem_shift_reference
- Attribute name
- label
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
A descriptive label that uniquely identifies this list of chemical shift
referencing parameters used in reporting assigned chemical shifts and other chemical
shift data.
Additional Descriptive Information for Depositors
A name that uniquely identifies this set of chemical shift references from the others listed in this entry.
Item Example
chemical_shift_reference_1
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|^-]*
- Default value
- chemical_shift_reference_1