Data Item _valence_param.ref_id
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General 
- Item name
- _valence_param.ref_id
- Category name
- valence_param
- Attribute name
- ref_id
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
An identifier which links to the reference to the source
from which the bond-valence parameters are taken. A child
of _valence_ref.id which it must match.
Data Type 
- Data type code
- code
- Data type detail
- code item types/single words ...
- Primitive data type code
- char
- Regular expression
- [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _valence_param_ref_id | cif_core.dic | 2.3 |