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Yes - that is possible, but need more information. Are the files unmerged
data?
Eleanor

On 10 January 2018 at 03:34, Peter Hsu <[log in to unmask]> wrote:

> Dear all,
>
> Looking to get some advice on reindexing an old dataset. I recently solved
> a structure of reasonable resolution at ~3A in C2. I had an old dataset at
> 4A in P213 that I never got a MR solution with until I solved the structure
> of it at 3A. I've recently gone back to to this and managed to find a
> solution using MolRep. However, I've not been able to refine the solution
> to anything below an Rfree of 60. Went back to try it in P23 and also found
> solution, but was never able to refine it.
>
> I had a suggestion from my boss to reindex in a different space group
> (I23), but I've since misplaced the original image files (terrible) and
> only have the .X files from HKL. I'm wondering if it's possible to reindex
> using either CCP4 or Phenix. I know there's a utility for it, but my
> understanding is poor and I'm not sure if I can go from P --> I using this
> program.
>
> Thanks for any input on this very dumb problem.
>
> Peter
>