Free R: Difference between revisions
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==Good Values for Free R== | ==Good Values for Free R== | ||
As a rule of thumb, free R should not exceed | As a rule of thumb, for models with [[resolution]] of 2.0 Å or better, free R should not exceed (resolution/10) by more than 0.05; that is, if the resolution is 2.0 Å, free R should not significantly exceed 0.25. For resolutions around 3.0 Å, the free R should not exceed (resolution/10. Free R values exceeding the worst 25% for the resolution of the model (see table below) raise doubts about the quality of the model. | ||
Free R is positively correlated with [[resolution]]<ref name="validation4pdb" />: | Free R is positively correlated with [[resolution]]<ref name="validation4pdb" />: | ||
