On 4/2/16 12:58 PM, Saeed Nasiri wrote:
Dear users

I used the "define= -DFLEXIBL" option and the problem within the energy
minimization step has been solved. However, there is another problem in the
nvt equilibration step. please help me with this problem!


Thanks in advanced.


* ~/Desktop/water_box $ gmx_mpi grompp -f nvt.mdp -c em.gro -p topol.top -o
nvt.tpr -maxwarn 1*
                   :-) GROMACS - gmx grompp, VERSION 5.1.2 (-:

                             GROMACS is written by:
      Emile Apol      Rossen Apostolov  Herman J.C. Berendsen    Par
Bjelkmar
  Aldert van Buuren   Rudi van Drunen     Anton Feenstra   Sebastian Fritsch
   Gerrit Groenhof   Christoph Junghans   Anca Hamuraru    Vincent Hindriksen
  Dimitrios Karkoulis    Peter Kasson        Jiri Kraus      Carsten
Kutzner
     Per Larsson      Justin A. Lemkul   Magnus Lundborg   Pieter Meulenhoff
    Erik Marklund      Teemu Murtola       Szilard Pall       Sander Pronk
    Roland Schulz     Alexey Shvetsov     Michael Shirts     Alfons Sijbers
    Peter Tieleman    Teemu Virolainen  Christian Wennberg    Maarten Wolf
                            and the project leaders:
         Mark Abraham, Berk Hess, Erik Lindahl, and David van der Spoel

Copyright (c) 1991-2000, University of Groningen, The Netherlands.
Copyright (c) 2001-2015, The GROMACS development team at
Uppsala University, Stockholm University and
the Royal Institute of Technology, Sweden.
check out http://www.gromacs.org for more information.

GROMACS is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1
of the License, or (at your option) any later version.

GROMACS:      gmx grompp, VERSION 5.1.2
Executable:   /usr/local/gromacs/bin/gmx_mpi
Data prefix:  /usr/local/gromacs
Command line:
   gmx_mpi grompp -f nvt.mdp -c em.gro -p topol.top -o nvt.tpr -maxwarn 1

Ignoring obsolete mdp entry 'title'

Back Off! I just backed up mdout.mdp to ./#mdout.mdp.6#
Setting the LD random seed to 3338597373
Generated 330891 of the 330891 non-bonded parameter combinations
Generating 1-4 interactions: fudge = 0.5
Generated 330891 of the 330891 1-4 parameter combinations
Excluding 2 bonded neighbours molecule type 'SOL'
turning all bonds into constraints...
Setting gen_seed to 3746256358
Velocities were taken from a Maxwell distribution at 300 K
Removing all charge groups because cutoff-scheme=Verlet
Analysing residue names:
There are:  1000      Water residues

-------------------------------------------------------
Program gmx grompp, VERSION 5.1.2
Source code file:
/home/nasiri/gromacs-5.1.2/src/gromacs/gmxpreprocess/readir.c, line: 2585





*Fatal error:Group Protein referenced in the .mdp file was not found in the
index file.Group names must match either [moleculetype] names or custom
index groupnames, in which case you must supply an index file to the '-n'
optionof grompp.*
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors
-------------------------------------------------------


It's right here:

tc-grps            = Protein Non-Protein    ; two coupling groups - more

If you have only a box of water, you don't have protein...

-Justin

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

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

jalem...@outerbanks.umaryland.edu | (410) 706-7441
http://mackerell.umaryland.edu/~jalemkul

==================================================
--
Gromacs Users mailing list

* Please search the archive at 
http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting!

* Can't post? Read http://www.gromacs.org/Support/Mailing_Lists

* For (un)subscribe requests visit
https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a 
mail to gmx-users-requ...@gromacs.org.

Reply via email to