Hi,
I am new to Gromacs, and I am working with lipid bilayer simulations.
I am attempting to just run an energy minimization on a lipid bilayer so I
can get a better feel for the program. I have taken the files dppc128.pdb,
dppc.itp, lipid.itp and example2.itp from Peter Tieleman's website.
Because I could not use teh pdb2gmx command, I started with the editconf
command and then the genbox command, both of which seemed to run
successfully. Then, I tried to do the preprocessing with the grompp
command, but I received the error; Fatal Error: Found a second defaults
directive, file "lipid.itp". When I removed lipid.itp from the topology
file, I received the error; Fatal Error: Atomtype 'LC3' not found! As I
said before, I am new to Gromacs, and I am not sure how to get around this
problem. Do I need to put the dppc.itp and lipid.itp file together into
one? Any help would be appreciated.
Thanks,
Mike Tomasini
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