David van der Spoel wrote:


Dear Dr van der Spoel,

Please advise us to sort out the following situation with Gromacs.

I installed Gromacs version 3.3.1 and Amber force fields for Gromacs (for DNA analysis). Then I used pdb2mx program in order to create topology files, which had been successfully executed. After that I tried to use pdb and topology DNA files in G_SAS program. At this point the message: "Can not read file this file is from a Gromacs version which is older than 2.0. Make a new one with grompp or use a gro or pdb file, if possible" was generated. I also failed to launch G_SAS program with protein files.

Please be more specific on what kind of computer and OS you used and give the steps you did. It could be anything from compiler issues to a bad disk.

--
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]       [EMAIL PROTECTED]   http://folding.bmc.uu.se
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