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Macromolecular dictionary (mmCIF) version 2.0.09




   The x component of the coordinates for this atom in this
   component specified as orthogonal angstroms. The choice of
   reference axis frame for the coordinates is arbitrary.

   The set of coordinates input for the entity here is intended to
   correspond to the atomic model used to generate restraints for
   structure refinement, not to atom sites in the ATOM_SITE

Type: float

Type conditions: esd

Mandatory item: no

Related item: _chem_comp_atom.model_Cartn_x_esd (associated_esd)

Category: chem_comp_atom