Data Item _chem_shift_ref.indirect_shift_ratio
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General 
- Item name
- _chem_shift_ref.indirect_shift_ratio
- Category name
- chem_shift_ref
- Attribute name
- indirect_shift_ratio
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The Chi value used in calculating the chemical shift referencing values
for nuclei that are referenced indirectly. The values used should be those recommended
by the IUPAC Taskforce on the deposition of data to the public databases
(Markley, et al. Pure and Appl. Chem. 70, 117-142 (1998).
Item Example
0.25144953
Data Type 
- Data type code
- float
- Data type detail
- int 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]+)?
- Default value
- 1