Data Item _chem_comp_systematic_name.naming_system
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General 
- Item name
- _chem_comp_systematic_name.naming_system
- Category name
- chem_comp_systematic_name
- Attribute name
- naming_system
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
An official method of nomenclature or defined set of nomenclature for chemical
compounds recognized by the scientific community.
Item Example
IUPAC
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|^-]*
- Values limited by enumeration list
- no
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| BMRB | |
| Beilstein | |
| CAS name | |
| CAS registry number | |
| IUPAC | |
| Lignin abbreviation | |
| One letter code | |
| Three letter code |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| BMRB | |
| Beilstein | |
| CAS name | |
| CAS registry number | |
| IUPAC | |
| Lignin abbreviation | |
| One letter code | |
| Three letter code |