Data Item _struct_ref_seq_dif.pdbx_ordinal
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General 
- Item name
- _struct_ref_seq_dif.pdbx_ordinal
- Category name
- struct_ref_seq_dif
- Attribute name
- pdbx_ordinal
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 63.1 % of entries
Item Description
A synthetic integer primary key for this 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]+
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _struct_ref_seq_dif.rcsb_ordinal | cif_rcsb.dic | 1.1 |