8 Oct
                
                    2007
                
            
            
                8 Oct
                
                '07
                
            
            
            
        
    
                7:47 p.m.
            
        Hi, Can I use phenix.refine to generate R-free flag in the case of twinning? Will phenix.refine consider the twinning operator in the process? I couldn't find this information in the manual. Thanks. Jianghai +++++++++++++++++++++++++++++++ Jianghai Zhu, Ph.D CBR Institute for Biomedical Research Department of Pathology Harvard Medical School 200 Longwood Ave., Boston, MA 02115 Ph: 617-278-3211 Fx: 618-278-3232 +++++++++++++++++++++++++++++++