Is it a problem with an index file? is 'Water' an index group, and if so, is is contiguous.

Erik

ahmet yıldırım skrev 2011-04-01 14.15:
I tried SOL 44453 but I still the same error

01 Nisan 2011 15:11 tarihinde Mark Abraham <mark.abra...@anu.edu.au <mailto:mark.abra...@anu.edu.au>> yazdı:

    On 1/04/2011 11:03 PM, ahmet yıldırım wrote:
    Dear Dr. Mark,

    I did you said but I have the same error. please look at attached
    file

    topol.top:

    [ molecules ]
    ; Compound        #mols
    Protein_chain_A     1
    Protein_chain_B     1
    SOL               185
    SOL               143
    SOL             44125
    TRS                1
    EDO                1

    OK, well maybe it doesn't like different chunks of the same
    molecule even when they're adjacent in order. Try "SOL 44453" instead.

    Mark


    01 Nisan 2011 14:41 tarihinde Mark Abraham
    <mark.abra...@anu.edu.au <mailto:mark.abra...@anu.edu.au>> yazdı:

        On 1/04/2011 10:26 PM, ahmet yıldırım wrote:

            Dear Justin,

            I have Fatal Errror:The solvent group Water is not
            continuous. I look at gmx-users mailing list search. I
            also have the same problem.
            You
            
said:(http://lists.gromacs.org/pipermail/gmx-users/2010-January/048344.html)
            It is exactly what I said; you've proven it. You have
            solvent, ligand, then
            solvent. To use genion (as the program prints out at the
            prompt) you must have
            a *continuous* group of solvent in order to embed ions.
            If you re-arrange the

            coordinate file and [molecules] section of the topology,
            you can achieve this.

            How can I do the re-arrange you said? Can you explain a
            little bit?


        You need a system topology whose molecules are ordered such
        that all the water is contiguous. That means the order of the
        names of molecule types in your [ molecules ] section of your
        .top can have only one mention of water. Since the order of
        molecules in the coordinate file must match this order, you
        will need to physically reorder your [ molecules ] section,
        and the chunks of molecules in your coordinate file.
        Fortunately, you don't have to renumber those atoms in the
        coordinate file.

        Mark

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-- Ahmet YILDIRIM


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--
Ahmet YILDIRIM


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Dept. of Cell and Molecular Biology, Uppsala University.
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