[gmx-users] adding SR2++ to charm27 force field

Mark Abraham mark.j.abraham at gmail.com
Tue Apr 14 10:53:03 CEST 2015


Hi,

Inspect the whole output. Is pdb2gmx picking up the version of charmm27 you
think it is?

Mark

On Tue, Apr 14, 2015 at 8:40 AM, Ming Tang <m21.tang at qut.edu.au> wrote:

> Dear all,
>
> I am trying to add SR 2++ in charm27 force field. I modified the
> ffnonbonded.itp, ffnanonbonded.itp, ions.itp, aminoacids,rtp, atomtypes.atp
> according to the parameters of SR in oplsaa.ff.
> However, when using pdb2gmx, I came across the following fatal error:
> Atomtype SR not found.
> Could anybody give me some advice?
>
> Thanks in advance,
> Ming
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