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 >