Data Item _pdbx_entity_group_instances.ordinal
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General 
- Item name
- _pdbx_entity_group_instances.ordinal
- Category name
- pdbx_entity_group_instances
- Attribute name
- ordinal
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
The value of _pdbx_entity_group_instances.ordinal is an ordinal
unique identifier for entity group instances.
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]+