[phenixbb] Refinement Problem
Kelly Daughtry
kddaught at bu.edu
Wed Jan 12 14:15:40 PST 2011
Hello Chris,
The standard question here is: Are you certain of your space group? That
seems to be the main culprit behind R factors that wont decrease.
Can you provide some statistics showing your confidence in your space group?
Kelly Daughtry
*******************************************************
Kelly Daughtry, Ph.D.
Post-Doctoral Fellow, Raetz Lab
Biochemistry Department
Duke University
Alex H. Sands, Jr. Building
303 Research Drive
RM 250
Durham, NC 27710
P: 919-684-5178
*******************************************************
On Wed, Jan 12, 2011 at 5:12 PM, Christopher W Davies <cdavies at purdue.edu>wrote:
>
>
> I am having an issue with refining my structure. I have a 2.36 A
> resolution dataset. I have found a solution by molecular replacement in the
> space group P3221. I have been refining the structure, however, my
> Rfactor/Rfree are not decreasing even though I have good density. My
> current Rfactor/Rfree values are .40/.43. Can anyone help me?
>
>
> Thanks.
>
> Chris
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