Am 5 Dec 2008 um 13:50 hat Agnieszka Kiliszek geschrieben: > Hi, > > What is the meaning of R free of perfect twin? Shelxl counts it but it > seems that the R f is no longer independent. > > Aga
Dear Aga, I also had this problem, however with Refmac5.5. My solution was to use the CNS script "make_cv_twin.inp" to define the test set under perfect twin conditions and to reformat the data to the mtz format (using the corresponding ccp4i script). Best wishes from Karsten