[gmx-users] Doubt regarding membrane protein in POPC bilayer

Mark Abraham Mark.Abraham at anu.edu.au
Tue Apr 7 09:20:57 CEST 2009


Pawan Kumar wrote:
> Hello Sir,
> 
> Can you please tell me how to couple ions with SOL ?
> Is there any command in gromacs to do that ?

You need to define a group with SOL and the ions in an index file. This 
is uses as input to grompp so that it can make sense of the same group 
name when used in the .mdp file. See 
http://wiki.gromacs.org/index.php/Index_File

Mark



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