Data Item _pdbx_nmr_chem_shift_ref.chem_shift_val
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General 
- Item name
- _pdbx_nmr_chem_shift_ref.chem_shift_val
- Category name
- pdbx_nmr_chem_shift_ref
- Attribute name
- chem_shift_val
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
Value assigned to the chemical shift of the reference compound.
Additional Descriptive Information for Depositors
Value assigned to the chemical shift of the reference compound.
Item Example
4.78
Data Type 
- Data type code
- float
- Data type detail
- float item types are the subset of numbers that are the floating numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?