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Macromolecular dictionary (mmCIF) version 2.0.09

_atom_site.refinement_flags

Name:
'_atom_site.refinement_flags'

Definition:

   A concatenated series of single-letter codes which indicate the
   refinement restraints or constraints applied to this site.  This
   item should not be used.  It has been replaced by
   _atom_site.refinement_flags_posn, *_adp and *_occupancy. It is
   retained in this dictionary only to provide compatibility with
   old CIFs.

Type: code

Mandatory item: no

Alias:
_atom_site_refinement_flags (cif_core.dic version 2.3)

Related items: _atom_site.refinement_flags_posn (replaces)
_atom_site.refinement_flags_adp (replaces)
_atom_site.refinement_flags_occupancy (replaces)

The data value must be one of the following:


.
no refinement constraints

S
special-position constraint on site

G
rigid-group refinement of site

R
riding-atom site attached to non-riding atom

D
distance or angle restraint on site

T
thermal displacement constraints

U
Uiso or Uij restraint (rigid bond)

P
partial occupancy constraint

Category: atom_site