Data Item _pdbx_reference_entity_poly.nstd_monomer
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General 
- Item name
- _pdbx_reference_entity_poly.nstd_monomer
- Category name
- pdbx_reference_entity_poly
- Attribute name
- nstd_monomer
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A flag to indicate whether the polymer contains at least
one monomer that is not considered standard.
Data Type 
- Data type code
- ucode
- Data type detail
- code item types/single words (case insensitive) ...
- Primitive data type code
- uchar
- Regular expression
- [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| n | abbreviation for "no" |
| no | polymer contains no nonstandard monomers |
| y | abbreviation for "yes" |
| yes | polymer contains at least one nonstandard monomer |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| n | abbreviation for "no" |
| no | polymer contains no nonstandard monomers |
| y | abbreviation for "yes" |
| yes | polymer contains at least one nonstandard monomer |