Data Item _pdbx_database_PDB_master.num_helix
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General 
- Item name
- _pdbx_database_PDB_master.num_helix
- Category name
- pdbx_database_PDB_master
- Attribute name
- num_helix
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The number of PDB records of a particular type.
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]+
- Internal data item
- Yes
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _ndb_database_PDB_master.num_helix | cif_rcsb.dic | 1.1 |