[gmx-users] atomtype OW is not found

Justin A. Lemkul jalemkul at vt.edu
Mon Nov 21 19:29:43 CET 2011

Doaa Ragab wrote:
>  I am running membrane simulation in gromacs using the posted tutorial: 
> http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/03_solvate.html
> at the step of
> grompp -f minim.mdp -c dppc128.gro -p topol_dppc.top -o em.tpr
> I am usually getting the error that: atomtype OW is not found.
> Can you help me in this.

You have removed too many lines in the [nonbond_params] section.  Only HW lines 
need to be commented out or removed (for convenience, really) but OW lines must 
be maintained.



Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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