[gmx-users] Use of non-standard CHARMM27 forcefield in Gromacs - how?

Jernej Zidar jernej.zidar at gmail.com
Tue Jul 26 05:30:52 CEST 2011

Dear all,
 During my PHD studies we developed a specific lipid force field
based on the CHARMM27 force field containing spingomyelin molecules of
various saturation and chain lengths.

 Now I would like to use this forcefield in Gromacs but I don't know
where to start. Is there a way to import it into Gromacs? The files
used in the Charmm simulations were:
toppar_all27_lipid_cholesterol.str (the one containing the specific
sphingomyelin bits)

Thank you in advance for any tip or suggestion,
Jernej Zidar

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