On Monday 19 October 2009 12:43:43 Jerry McCully wrote:
>
> Dear All:
>
> I got a problem with a data set in R32 space group with a resolution of 2.6.
> Pointless indicated that the space group was R32 and phenix triage showed that there was a pseudotranslation in the ASU.
>
> My protein is a hexamer and the matthew coeff. showed that there should just be two monomers in one ASU of R32.
>
> However, phaser in R32 and Molrep in R32 gave different solutions because Molrep used the pseudo-translation. I am not sure which one was correct because refinement of both solutions get stuck around 35% for Rfactor.
>
> I tried the molecular replacement in P1 and I got good solutions in Phaser. I think they are correct solutions because my protein was a hexamer and the crystal packing in P1 was formed by hexamers.
>
> How can I get correct solutions in R32 and finish the refinement?
Did you try using the hexamer as your molecular replacement probe?
--
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742
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