Hi Maggie, you can re-process your data using XDS and can provide the desired space group in the XDS.INP file. It won't take much time.
Vikrant Vikrant Upadhyay Postdoctoral associate Dr. Crina Nimigean's lab, A-1050 Department of Anesthesiology Weill Cornell Medical College 525 East 68th Street New York, NY 10065 On Nov 6, 2013, at 1:13 PM, MAGGIE <dongmeij...@gmail.com> wrote: > Hi, > > I have a structure which should have space group P212121, but it has been > processed to P21212. It can not be solved and refined. Right now I do not > have HKL2000, but I need change the space group to P212121. Is there a way > for me to do this using CCP4? > > Thank you, > > Maggie