Data Item _entity_poly_seq.num
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General 
- Item name
- _entity_poly_seq.num
- Category name
- entity_poly_seq
- Attribute name
- num
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 100.0 % of entries
Item Description
The value of _entity_poly_seq.num must uniquely and sequentially
identify a record in the ENTITY_POLY_SEQ list.
Note that this item must be a number and that the sequence
numbers must progress in increasing numerical order.
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]+
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 1 | +∞ |
Child Data Items 
- _atom_site.label_seq_id
- _entity_link.entity_seq_num_1
- _entity_link.entity_seq_num_2
- _pdbx_entity_poly_comp_link_list.entity_comp_num_1
- _pdbx_entity_poly_comp_link_list.entity_comp_num_2
- _pdbx_entity_poly_domain.begin_seq_num
- _pdbx_entity_poly_domain.end_seq_num
- _pdbx_linked_entity_link_list.entity_seq_num_1
- _pdbx_linked_entity_link_list.entity_seq_num_2
- _pdbx_poly_seq_scheme.seq_id
- _pdbx_sifts_unp_segments.seq_id_end
- _pdbx_sifts_unp_segments.seq_id_start
- _pdbx_sifts_xref_db_segments.seq_id_end
- _pdbx_sifts_xref_db_segments.seq_id_start
- _struct_ref_seq.seq_align_beg
- _struct_ref_seq.seq_align_end
- _struct_ref_seq_dif.seq_num