Hi,

if 5% generates more than 2000 reflections then 2000 is chosen as the max, which can be substantially less than 5% in some cases.

Pavel

PS.: It used to be 10% which I believe is much better. Someone must have changed this at some point and I overlooked it.

On 2/26/12 10:54 PM, 刘世恒 wrote:

Hi,

According to the phenix documentation, phenix.refine generates free R that are evenly distributed over the resolution, making sure that relatively thin resolution bins receive enough of reflections. The default behavior is to flag 5% of reflections up to a maximum of 2000. However, in some high-resolution structure, the percent for R-free test set which was generated by phenix.refine might be smaller than 1%， and it was a small percentage. Are there anticles related to the generation of R-free flag by phenix?

Sincerely yours,
Shiheng Liu
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