Data Item _refln_sys_abs.I_over_sigmaI

General

Item name
_refln_sys_abs.I_over_sigmaI
Category name
refln_sys_abs
Attribute name
I_over_sigmaI
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.007 % of entries

Item Description

The ratio of _refln_sys_abs.I to _refln_sys_abs.sigmaI. Used to evaluate whether a reflection that should be systematically absent according to the designated space group is in fact absent.

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]+)?

Aliases

Alias Item Name Dictionary Name Dictionary Version
_ebi_refln_sys_abs.I_over_sigma ebi_extensions 1.0