[gmx-users] charge in bilayers

Rama Gullapalli quantrum75 at yahoo.com
Thu Oct 27 17:37:31 CEST 2005

Dear GMX ers
This is quite a basic question. If i wanted to
simulate the presence of a Na+ ion in a electrically
neutral bilayer such as DPPC, 
Is it a problem to run this simulation in GMX without
adding the counterion?
I mean GROMPP gives a warning saying there is 1 charge
in the system.
Does it affect the simulation in any way?

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