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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_valence_param.ref_id
Name:'_valence_param.ref_id'
Definition:
An identifier which links to the reference to the source from which the bond-valence parameters are taken. A child of _valence_ref.id which it must match.
Type: code
Mandatory item: no
Alias:_valence_param_ref_id (cif_core.dic version 2.3)
Category: valence_param