Data Item _chem_comp_bond.pdbx_aromatic_flag
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General 
- Item name
- _chem_comp_bond.pdbx_aromatic_flag
- Category name
- chem_comp_bond
- Attribute name
- pdbx_aromatic_flag
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 80.1 % of entries
- Used in the Chemical Component dictionary
- Yes
Item Description
A flag indicating an aromatic bond.
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 | No - not an aromatic bond |
| Y | Yes - an aromatic bond |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| N | No - not an aromatic bond |
| Y | Yes - an aromatic bond |