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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_pdbx_refine.free_R_val_4sig_cutoff
Name:'_pdbx_refine.free_R_val_4sig_cutoff'
Definition:
Free R-value (4 sigma cutoff) Placeholder for PDB mapping of SHELXL refinement data.
Type: float
Mandatory item: no
Alias:_ndb_refine.free_R_val_4sig_cutoff (cif_rcsb.dic version 1.1)
Category: pdbx_refine