[gmx-users] about fudgeQQ

[Erik Lindahl]

Yuguang Mu wrote:
> Dear GROMACS experts:
> In the present released version, the force field  1-4 electronic interaction
> fudgeQQ  factor has real meaning, or  not ?
> 

Check the topology section of the manual; the fudge factors control the 
scaling of 1,4 interactions. Gromos96 and Gromacs don't scale them, but 
other forcefields (notably OPLS) does.

Cheers,

Erik