Crystallographic Information Framework

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Index

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


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.