Data Item _geom_angle.atom_site_label_seq_id_1
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General 
- Item name
- _geom_angle.atom_site_label_seq_id_1
- Category name
- geom_angle
- Attribute name
- atom_site_label_seq_id_1
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
An optional identifier of the first of the three atom sites that
define the angle.
This data item is a pointer to _atom_site.label_seq_id in the
ATOM_SITE 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]+
