mohit kumar wrote:
oh!!!!..no i mean that instead of.pdb file i used .gro file..from the begining...in the tutorial they dont change to .gro type.. but i do...and i carefully apply....i am able to run mdrun command for energy minimisation..and in this command i want output file ..so i used *-c fws_b4pr.gro*...but when i ran grompp for position restrained it show the error..though the file has been created in directory/server


So fws_b4pr.gro was successfully created, but then grompp can't find it? Maybe you're seeing some sort of network/NFS problem when accessing the server. Do you have a local machine where you can try again? Otherwise, post all your commands exactly as you have entered them to see if anyone can spot a typo or other problem.

-Justin

On Sun, Jul 12, 2009 at 7:47 PM, Justin A. Lemkul <[email protected] <mailto:[email protected]>> wrote:



    mohit kumar wrote:

        im trying this spider toxin tutorial as beginner ....the mdrun
        command after energy minimization have *-c fws_b4pr.pdb(i make
        .gro)* and then on page  no 9 the grompp command for the postion
        restrained uses *-c fws_b4pr.gro* and when i run it show:
        Program grompp, VERSION 4.0.2
        Source code file: futil.c, line: 330

        File input/output error:
        fws_b4pr.gro
        ------------------------------
        -------------------------

        "Hey Man You Know, I'm Really OK" (Offspring)
        what may be the reason for this..im really confused!!!


    Probably a typo or you lack read/write permissions in the directory.
     Otherwise, how did you "make .gro?"  Did you use editconf, or did
    you just rename the file?

    -Justin


-- MOHIT KUMAR
        Molecular Biochemistry & Biophysics
        Graduate Student
        Illinois Institute of Technology
        Chicago,IL, USA


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

    Justin A. Lemkul
    Ph.D. Candidate
    ICTAS Doctoral Scholar
    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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--
MOHIT KUMAR
Molecular Biochemistry & Biophysics
Graduate Student
Illinois Institute of Technology
Chicago,IL, USA


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

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
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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