Data Item _pdbx_nmr_chem_shift_reference.nitrogen_shifts_flag
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General 
- Item name
- _pdbx_nmr_chem_shift_reference.nitrogen_shifts_flag
- Category name
- pdbx_nmr_chem_shift_reference
- Attribute name
- nitrogen_shifts_flag
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A value indicating if 15N chemical shifts are being deposited and if IUPAC chemical shift referencing was used. This item
is a user interface item that is used to trigger the automated population of chemical shift referencing tags if IUPAC
chemical shift referencing parameters have been used.
Item Example
yes
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|^-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| no | |
| yes | |
| yes with IUPAC referencing |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| no | |
| yes | |
| yes with IUPAC referencing |