PDBx/mmCIF
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Data Item
_chem_link_tor.atom_id_1
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General
Item name
_chem_link_tor.atom_id_1
Category name
chem_link_tor
Attribute name
atom_id_1
Required in PDB entries
yes
Used in currrent PDB entries
No
Item Description
The ID of the first of the four atoms that define the torsion angle. As this data item does not point to a specific atom in a specific chemical component, it is not a child in the linkage sense.
Data Type
Data type code
code
Data type detail
code item types/single words ...
Primitive data type code
char
Regular expression
[_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Dependent Items
_chem_link_tor.atom_id_3
_chem_link_tor.atom_id_2
_chem_link_tor.atom_id_4