On 07/02/10 14:52, Vishal Agarwal wrote:
Dear All,
Can anyone help me how can I go about preparing the topology file for an
infinite crystal of cellulose. I have prepared the .gro file for 5X5X5
unit cells of cellulose II using GROMACS utility and intend to apply
periodic BC on it. It has a glucose molecule as building block (GCLA).
When I try running pdbgmx, I get an error for extra hydrogens (which is
not there in itp file but is actually there in the original structure
which I am using) and missing oxygen (-O).
People who might help aren't at all interested in your description of
the error message. If the contents of your head were reliable, you
wouldn't have seen the error in the first place, or would have solved
the issue already. :-) Copy and paste your command line, and what seems
to be the relevant part of the error.
To use pdb2gmx, you need .rtp file entries that correspond to your
monomers. If not, you will not be able to use pdb2gmx to generate your
topology files.
Mark
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