Data Item _atom_chem_shift.ambiguity_code
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General 
- Item name
- _atom_chem_shift.ambiguity_code
- Category name
- atom_chem_shift
- Attribute name
- ambiguity_code
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
Ambiguity codes are used to define chemical shifts that have not been assigned
to specific atoms in the molecule studied. Ambiguity in chemical shifts
may exist at several different levels, stereospecific ambiguity, intra and inter
residue ambiguities, etc.
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]+
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 9 |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 9 |