Data Item _reflns_shell.meanI_over_sigI_obs

General

Item name
_reflns_shell.meanI_over_sigI_obs
Category name
reflns_shell
Attribute name
meanI_over_sigI_obs
Required in PDB entries
no
Used in current PDB entries
Yes, in about 55.5 % of entries

Item Description

The ratio of the mean of the intensities of the reflections classified as 'observed' (see _reflns.observed_criterion) in this shell to the mean of the standard uncertainties of the intensities of the 'observed' reflections in this shell.

Additional Descriptive Information for Depositors

               The ratio of the mean of the intensities of the reflections
               classified as 'observed' (see _reflns.observed_criterion) in
               this shell to the mean of the standard uncertainties of the
               intensities of the 'observed' reflections in this
               shell.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?

Advisory Boundary Conditions

Minimum Value Maximum Value
0.05 20

Aliases

Alias Item Name Dictionary Name Dictionary Version
_reflns_shell_meanI_over_sigI_obs cif_core.dic 2.0.1