Data Item _ihm_derived_dihedral_restraint.feature_id_4
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General 
- Item name
- _ihm_derived_dihedral_restraint.feature_id_4
- Category name
- ihm_derived_dihedral_restraint
- Attribute name
- feature_id_4
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
The feature identifier for the fourth partner in the dihedral restraint.
This data item is a pointer to _ihm_feature_list.feature_id in the
IHM_FEATURE_LIST category.
Data Type 
- Data type code
- int
- Data type detail
- int item types are the subset of numbers that are the negative or positive integers.
- Primitive data type code
- numb
- Regular expression
- [+-]?[0-9]+
