Data Item _mdb_align_templates.refine_ls_R_factor_R_free

General

Item name
_mdb_align_templates.refine_ls_R_factor_R_free
Category name
mdb_align_templates
Attribute name
refine_ls_R_factor_R_free
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

Residual factor R for reflections that satisfy the resolution limits established by _refine.ls_d_res_high and _refine.ls_d_res_low and the observation limit established by _reflns.observed_criterion, and that were used as the test (i.e., excluded from refinement) reflections when refinement included calculation of a "free" R factor. Details of how reflections were assigned to the working and test sets are given in _reflns.R_free_details. sum|Fobs - Fcalc| R = --------------------- sum|Fobs| Fobs = the observed structure factor amplitudes Fcalc = the calculated structure factor amplitudes sum is taken over the specified reflections

Data Type

Data type code
float
Data type detail
int 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]+)?

Allowed Boundary Conditions

Minimum Value Maximum Value
0.0

+∞