[gmx-users] combining gromos96 (43a2) and berger lipid force field

[Mark Abraham]

maria goranovic wrote:
> I want to use the gromos96 force field for the protein, and Tieleman's
> Berger force field for the lipids. How do I combine force fields or
> construct a topology. I have different topologies for the lipids and
> the protein ready. However combining them would probably lead to
> errors as I cannot include both the ffG43a2 and the ffgmx force fields
> in the same topology ?

See http://wiki.gromacs.org/index.php/Force_Fields

Since you've only recently chosen gromos96, how about instead choosing a 
forcefield for which lipid parameters have been developed in concert? 
See the literature for ideas on what works here.

Mark