Data Item _pdbx_chem_comp_model_bond.value_order
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General 
- Item name
- _pdbx_chem_comp_model_bond.value_order
- Category name
- pdbx_chem_comp_model_bond
- Attribute name
- value_order
- Required in PDB entries
- no
- Used in current PDB entries
- No
Item Description
The value that should be taken as the target for the chemical
bond associated with the specified atoms, expressed as a bond
order.
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*|+-]*
- Default value
- sing
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| AROM | aromatic bond |
| DELO | delocalized double bond |
| DOUB | double bond |
| PI | pi bond |
| POLY | polymeric bond |
| QUAD | quadruple bond |
| SING | single bond |
| TRIP | triple bond |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| AROM | aromatic bond |
| DELO | delocalized double bond |
| DOUB | double bond |
| PI | pi bond |
| POLY | polymeric bond |
| QUAD | quadruple bond |
| SING | single bond |
| TRIP | triple bond |