 
            
            
            
            
                23 Aug
                
                    2006
                
            
            
                23 Aug
                
                '06
                
            
            
            
        
    
                6:22 p.m.
            
        Is there functionality that will - add a hydrogen (if needed) to all Lysines and Arginines to give the protonated form - remove a hydrogen (if needed) from Aspartic and Glutamic acids to give the deprotonated form? -- Dave Roe roex0050@umn.edu