Data Item _geom_torsion.atom_site_label_atom_id_4

General

Item name
_geom_torsion.atom_site_label_atom_id_4
Category name
geom_torsion
Attribute name
atom_site_label_atom_id_4
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

An optional identifier of the fourth of the four atom sites that define the torsion angle. This data item is a pointer to _atom_site.label_atom_id in the ATOM_SITE category.

Data Type

Data type code
atcode
Data type detail
Character data type for atom names ...
Primitive data type code
char
Regular expression
[][ _(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*

Parent Data Items

Leading Parent Item