[gmx-users] question about modifying the force field

[Mark Abraham]

Cenfeng Fu wrote:
> Hi,
> I want to add an extra item to the nonbonded force field to identify the
> pi-pi interaction between the heterocycles which may present in proteins. To
> implement this, which of the code files should I modify? Thanks.

That would depend entirely on the kind of interaction you wish to add, 
if I've understood your usage of "identify" and "may". In any case, 
adding something to a force field is not intrinsically likely to be useful.

Mark