[gmx-users] Understanding about OPLS-aa for lipids

Mark Abraham Mark.Abraham at anu.edu.au
Fri Apr 25 13:00:48 CEST 2008

minnale wrote:
> Hi all,
> I am new to gromacs, I wanted to use OPLS-aa forcefield for both lipid 
> and protein. I have checked in archives regarding this problem and found 
> link. That means the steps given are opls-aa ff for lipid? or ffgmx ff 
> for lipids are just changing parameters by adding sigma and epsilon 
> values for compatible to protein opls-aa ff

I can't suggest anything because I don't understand what you're asking. 
However you should probably start with some background reading - e.g. 


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