You don't need twinning to invalidate the Rmerge as a criterion for the
resolution cutoff, there are other reasons why you should use I/sigma
instead. If you process data all the way to 3A, what's the I/sigma in
the highest resolution shell?
On Wed, 2010-10-06 at 11:28 +0200, fulvio saccoccia wrote:
> Dear all,
> I have a data set collected at 3A resolution. I processed the data but I
> had to cut the resolution at 3.6A for the high value of Rmerge (at 3.6A
> it is 0.18). After scaling and MR I realized that my data were twinned.
> This is my question: can I reprocess all the data set using all the
> reflections up to 3A resolution even if the Rmerge is very high, knowing
> that data are twinned? and also, is the Rmerge invalidate by the twinning?
--
"I'd jump in myself, if I weren't so good at whistling."
Julian, King of Lemurs
