Crystallographic Information Framework

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Macromolecular dictionary (mmCIF) version 2.0.09

_chem_comp_tor.atom_id_2

Name:
'_chem_comp_tor.atom_id_2'

Definition:

   The ID of the second of the four atoms that define the torsion
   angle.

   This data item is a pointer to _chem_comp_atom.atom_id in the
   CHEM_COMP_ATOM category.

Mandatory item: yes