[gmx-users] problem with ambconv

David Mobley dmobley at gmail.com
Fri Aug 4 21:00:35 CEST 2006


We have an in-house script called amb2gmx written in collaboration
with the Pande group that works for this purpose, although it requires
an installation of AMBER. Let me know if you would like it.


On 8/4/06, Diane Fournier <diane.fournier at crchul.ulaval.ca> wrote:
> Hi
>  I'm presently trying to use the ambconv program to convert amber topologies
> generated with antechamber v. 1.26 and tleap to gromacs format for use with
> the amber force field port.
>  The problem is, I can't get the program to work. For example :
>  $ ambconv -v -at spl2.atop -rst spl2.rst -gt spl2.itp -gro spl2.gro -pdb
> spl2.pdb
>  AMBCONV v1.0
>  AMBER .top               : spl2.atop
>  AMBER .rst               : spl2.rst
>  GROMACS .top             : spl2.itp
>  GROMACS .gro             : spl2.gro
>  PDB .pdb                 : spl2.pdb
>  Segmentation fault
>  This is using the old file format generated with tleap when setting
> oldprmtopformat to on. The same happens with the new file formats (.prmtop
> and .inpcrd).
>  I have tried modifying the ambconv.c file and recompiling as suggested in
> the mailing list (Wed Jun 16 18:41:55 CEST 2004), but got the same result.
>  Does someone has a version of ambconv which works with antechamber 1.26, or
> should I use an older version of antechamber and leap ?
>  Diane
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