[phenixbb] Another question about twinned maps
pafonine at lbl.gov
Tue Mar 22 07:20:00 PDT 2011
no, this is not done if the data is from twinned crystal. Maps already
can be model biased due to detwinning (if twin-fraction is close to 0.5)
so I didn't want it to be even worse
On 3/22/11 5:51 AM, Mary Ho wrote:
> Another related question... Does the option for Fill Missing F(Obs)
> with F(Calc) work for twinned maps? If I turn it on, I don't get an
> error but the maps don't seem any different.
> Just wondering,
> On Mon, Mar 21, 2011 at 11:44 AM, Pavel Afonine <pafonine at lbl.gov
> <mailto:pafonine at lbl.gov>> wrote:
> Hi Mary,
> I'm not sure map sharpening is done in case of twinning (otherwise
> it is an option that you can turn on/off either in phenix.refine
> or in more specific tool for maps calculation called phenix.maps).
> I will check this later today and reply.
> On 3/21/11 8:08 AM, Mary Ho wrote:
> I'm using phenix-1.7-650. When phenix.refine generates the
> detwinned maps with apply B-factor sharpening on and no value
> inputed, is the value the program uses for sharpening output
> Mary X. Ho
> Postdoctoral Associate
> Arnold Lab
> phenixbb mailing list
> phenixbb at phenix-online.org <mailto:phenixbb at phenix-online.org>
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