On Thu, Jan 24, 2013 at 3:52 PM, Urmi Dhagat <udha...@svi.edu.au> wrote: > If Rfree reflections are refined my refmac upon switching from phenix to > refmac then does this contaminate the Rfree set ? Should swiching between > refinement programs Phenix and Refmac be avoided?
Repeating what was said earlier today: if you use the newest version of Refmac, either in CCP4 6.3 or downloaded from Garib's homepage, you will not have any problem switching back and forth with Phenix (any version). -Nat