[gmx-users] Recreating newer TPRs for old Gromacs

Jernej Zidar jernej.zidar at gmail.com
Thu Sep 26 05:35:10 CEST 2019

Dear all,

For the purpose of a project I am trying to recreate TPRs so I can use them
with an older version of Gromacs. The TPR files in question are:
- ion channel:
- lignocellulose:

The two files were prepared in Gromacs 5.1.4 but I would like to use them
with Gromacs 5.0.3. I was able to output the relevant mdp parameters
and the initial structure but I have major issues with the forcefield
parameters. Is there a way to "extract" them from the TPR files or I should
contact the original authors instead?

Thanks in advance,
Jernej Zidar

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