On 10/17/13 1:01 PM, sunyeping wrote:
Dear Gromacs users,
I am trying to add ions to my system using:genion -s ions.tpr -o solv_ions.gro 
-p topol.top -pname NA -nname CL -np 8

but it returns a error message saying:

Fatal error:
No line with moleculetype 'SOL' found the [ molecules ] section of file 
'topol.top'

I checked the topol.top file, but SOL is indeed under [ molecules ] section:

[ molecules ]
; Compound        #mols
Protein_chain_A     1
Protein_chain_B     1
DRG                 1
SOL             86574

I know it problem has been disscussed here before, but I cann't fix it out with 
the avialable information. Could you help me with it?


You probably have a non-Unix newline character somewhere. Run the .top file through dos2unix and try again.

-Justin

--
==================================================

Justin A. Lemkul, Ph.D.
Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 601
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalem...@outerbanks.umaryland.edu | (410) 706-7441

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