[Chimera-users] counter ions

[patrizio.arrigo at ge.ismac.cnr.it]

Dear All

 I would like to use counter ions   of nucleic acids not included in the default list of Chimera. I do not know how to perform this action.  The option add ions offers only a limited set of ionic species 
 I guess that is necessary to  use amber18.  Can you give me some  suggestions 
Dr. Patrizio Arrigo
CNR SMAC



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