![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Protein Data Bank exchange dictionary (pdbx) version 1.0521
_reflns.observed_criterion_sigma_F
Name:'_reflns.observed_criterion_sigma_F'
Definition:
The criterion used to classify a reflection as 'observed' expressed as a multiple of the value of sigma(F).
Type: float
Mandatory item: no
Related items: _reflns.observed_criterion (alternate)
_reflns.observed_criterion_sigma_I (convention)
Category: reflns