Protein Data Bank exchange dictionary (pdbx) version 1.0521
_pdbx_refine.number_reflns_obs_4sig_cutoff
Name:'_pdbx_refine.number_reflns_obs_4sig_cutoff'
Definition:
Total number of reflections (4 sigma cutoff).
Placeholder for PDB mapping of SHELXL refinement data.
Example:| 1263 |
Type: float
Mandatory item: no
Alias:_ndb_refine.number_reflns_obs_4sig_cutoff (cif_rcsb.dic version 1.1)
Category: pdbx_refine


![[CIF home page] [CIF logo]](https://www.iucr.org/__data/assets/image/0015/131037/CIF_white.png)
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif)
