[gmx-users] Re: Where is the GROMOS87 force field when using pdb2gmx

[Erik Lindahl]

Hi,

On Nov 7, 2007, at 5:40 PM, maria goranovic wrote:

> Thanks for the help, David. Actually, I just realized I was trying to
> decide based on mailing list archives which, in some cases, are 5
> years old. My mistake. I will use the 43a2 field for my protein.
>
> Is there any standard procedure to combine 43a2 with the berger force
> field (ffgmx) for lipids ?

Don't do it. The berger force field is mostly derived from OPLS, so  
you will (again) find it much easier to defend your choices if you mix  
it with OPLS-AA/L instead.

Cheers,

Erik