16 Apr
                
                    2008
                
            
            
                16 Apr
                
                '08
                
            
            
            
        
    
                1:28 p.m.
            
        Hi I am trying to refine RNA/protein complex with phenix but I have problems with the geometry of the nucleotides Is their any equivalent restraints like "dna-rna_restraints.def" that we find in CNS ? thank you regards Mickael CSB_Aarhus university Denmark