Data Item _chem_comp.ambiguous_flag
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General 
- Item name
- _chem_comp.ambiguous_flag
- Category name
- chem_comp
- Attribute name
- ambiguous_flag
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A preliminary classification used by PDB to indicate that the chemistry
of this component while described as clearly as possible is still ambiguous. Software
tools may not be able to process this component definition.
Data Type 
- Data type code
- code
- Data type detail
- code item types/single words ...
- Primitive data type code
- char
- Regular expression
- [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| no | |
| yes |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| no | |
| yes |