[gmx-users] Atom type 'OM' not found

Justin Lemkul jalemkul at vt.edu
Fri Sep 9 01:50:21 CEST 2016

On 9/8/16 6:03 AM, LAXMAN KUMAR wrote:
> hello users,
> I have done a pdb2gmx of a protein using force field.
> force field    -  *AMBER 03*
> water model -* SPC*
> Here is the error:
> Fatal error:
> *Atom type* OM (residue TYS) not found in atomtype database

OM is an atom type from GROMOS or CHARMM.  If you're trying to use this type 
with AMBER, you're likely mixing and matching force fields, which you should not do.



Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441


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