Hi Maggie echo symm P212121 | mtzutils HKLIN in.mtz HKLOUT out.mtz
should do the trick. Cheers -- Ian On 6 November 2013 18:13, 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 >