Hi Prof. David.

What details do you mean? Actual topology files are attached. Anything else?

Thanks a lot in advance!

Sincerally yours,

Jones

On 10/11/07, David van der Spoel <[EMAIL PROTECTED]> wrote:
>
> Jones de Andrade wrote:
> > Thanks Prof. David.
> >
> > I've done all that now, but at the moment I'm locked getting lots of the
> > "lovelly" error:
> >
> > Warning: 1-4 interaction between 7 and 16 at distance 4.302 which is
> > larger than the 1-4 table size 1.000 nm
> > These are ignored for the rest of the simulation
> > This usually means your system is exploding,
> > if not, you should increase table-extension in your mdp file
> > step 0Segmentation fault
>
> please give more details...
>
>
> >
> > I've visually checked the .gro file, and the atoms mentioned are not
> > from start at such crazy distances. I've included extra exclusions
> > between the virtual sites and the atoms that are at "one" and "two"
> > "bonds" away.
> >
> > Does it means I should include also the 1-4 in the exclusions or pair
> > sections? Sorry, never dealt with dummy sites before this. I thought
> > using a pre-equilibrated box with a different model would at least avoid
> > explosion problems, so or I missing something, of this assumption was
> > completelly wrong.
> >
> > Thanks a lot in advance,
> >
> > Sincerally yours
> >
> > Jones
> >
> > On 10/11/07, *David van der Spoel* <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>> wrote:
> >
> >     Jones de Andrade wrote:
> >      > Hi all.
> >      >
> >      > Well, I'm having a bit of trouble here because the work has
> >     decided to
> >      > go in the direction of something I've never used before with
> gromacs:
> >      > dummy atoms (or now "virtual sites").
> >
> >     I assume this is not for a protein, in which case pdb2gmx does it
> >     for you.
> >      >
> >      > I've got at least three questions in order to use them:
> >      >
> >      > 1 - does the virtual sites need to be included in the .gro files
> in
> >      > order to make a simulation run?
> >      >
> >     Yes.
> >
> >      > 2 - do I need to include them in the "exclusion list"?
> >     It depends, but usually yes.
> >
> >      >
> >      > 3 - do I need to include them in the "atoms" section?
> >     Yes.
> >
> >      >
> >      >
> >      > Thanks a lot in advance for any help anyone can provide in these
> >      > subjects. ;)
> >     Check the mannual too. Chapter 5. An dtopologies for TIP4P, TIP5P
> etc.
> >
> >
> >      >
> >      > Sincerally yours,
> >      >
> >      > Jones
> >      >
> >      >
> >      >
> >
> ------------------------------------------------------------------------
> >
> >      >
> >      > _______________________________________________
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> >
> >     --
> >     David.
> >
> ________________________________________________________________________
> >     David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
> >     Dept. of Cell and Molecular Biology, Uppsala University.
> >     Husargatan 3, Box 596,          75124 Uppsala, Sweden
> >     phone:  46 18 471 4205          fax: 46 18 511 755
> >     [EMAIL PROTECTED]
> >     <mailto:[EMAIL PROTECTED]>    [EMAIL PROTECTED]
> >     <mailto:[EMAIL PROTECTED]>   http://folding.bmc.uu.se
> >
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> >
> > ------------------------------------------------------------------------
> >
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>
> --
> David van der Spoel, Ph.D.
> Molec. Biophys. group, Dept. of Cell & Molec. Biol., Uppsala University.
> Box 596, 75124 Uppsala, Sweden. Phone:  +46184714205. Fax: +4618511755.
> [EMAIL PROTECTED]    [EMAIL PROTECTED]   http://folding.bmc.uu.se
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Attachment: simu.298K.017.mdp
Description: Binary data

Attachment: C06H12.itp
Description: Binary data

Attachment: C06H12.top
Description: Binary data

Attachment: ff_amber_perHC.itp
Description: Binary data

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