[gmx-users] Help for running gromacs

Justin A. Lemkul jalemkul at vt.edu
Mon May 3 15:09:48 CEST 2010


What compilers did you use to install Gromacs?  Often times hangs and other 
memory errors are related to buggy compilers.

-Justin

priyanka panwar wrote:
> Command line was " genion -s em.tpr -o ions.pdb -np 4"
> 
> On Mon, May 3, 2010 at 5:19 PM, Justin A. Lemkul <jalemkul at vt.edu 
> <mailto:jalemkul at vt.edu>> wrote:
> 
> 
> 
>     priyanka panwar wrote:
> 
>         Hi,
>         Thanks for help.
>         -Command line was:
>         Number of (3-Atomic) solvent molecules:4256
>         Replacing solvent molecule 499 (atom 2784) with Na
> 
> 
>     That's not a command line.  What command did you actually type
>     (exactly) to run genion?
> 
> 
>         -Group selected was: 12 (SOL)
>         -Gromacs version I am using is 3.3.1
> 
> 
>     In the absence of any compelling reason (i.e., consistency with
>     previous simulations), using a Gromacs version that is four years
>     old is not recommended.  The new 4.0.x series is substantially
>     faster and has many new features.
> 
>     -Justin
> 
>         On Mon, May 3, 2010 at 4:31 PM, Krzysztof Mlynarczyk
>         <mitomaster at gmail.com <mailto:mitomaster at gmail.com>
>         <mailto:mitomaster at gmail.com <mailto:mitomaster at gmail.com>>> wrote:
> 
>            Please post more details including the following:
> 
>                * What is the exact command line?
>                * What group do you select as a "continuous solvent"? I
>         know it
>                  might sound weird to ask this but what I learned while
>                  teaching students is that these questions really should be
>                  asked when there are problems.
>                * Which version of Gromacs are you using?
> 
> 
>            2010/5/3 priyanka panwar <priyankapanwar20 at gmail.com
>         <mailto:priyankapanwar20 at gmail.com>
>            <mailto:priyankapanwar20 at gmail.com
>         <mailto:priyankapanwar20 at gmail.com>>>
> 
> 
>                I am  using Gromacs for Simulation of Insulin.I have
>         generated
>                most of the files but unable to generate the ions.pdb
>         file.The
>                system is becoming idle after the Selection command. A
>         line on
>                the command prompt appears as "replacing solvent molecule
>         with
>                Na" and remains as such for many hours. Is this step really
>                takes too much time or I am doing something wrong.      
>           Thanks
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> 
>     -- 
>     ========================================
> 
>     Justin A. Lemkul
>     Ph.D. Candidate
>     ICTAS Doctoral Scholar
>     MILES-IGERT Trainee
>     Department of Biochemistry
>     Virginia Tech
>     Blacksburg, VA
>     jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
>     http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin
> 
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> 

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

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

========================================



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