Data Item _pdbx_chem_comp_identifier.type
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General 
- Item name
- _pdbx_chem_comp_identifier.type
- Category name
- pdbx_chem_comp_identifier
- Attribute name
- type
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 8.8 % of entries
- Used in the Chemical Component dictionary
- Yes
Item Description
This data item contains the identifier type.
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 |
|---|---|
| CAS REGISTRY NUMBER | Chemical Abstracts Registry Number |
| COMMON NAME | Common chemical name |
| MDL Identifier | Molecular Design Limited Identifier |
| PUBCHEM Identifier | PubChem accession number |
| SYNONYM | Synonym chemical name |
| SYSTEMATIC NAME | Systematic chemical name |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| CAS REGISTRY NUMBER | Chemical Abstracts Registry Number |
| COMMON NAME | Common chemical name |
| MDL Identifier | Molecular Design Limited Identifier |
| PUBCHEM Identifier | PubChem accession number |
| SYNONYM | Synonym chemical name |
| SYSTEMATIC NAME | Systematic chemical name |