Hello,

I want to run protein ligand MD simulation using Amber99sb force field. i generated protein topology files using gromacs easily but when i generated ligand topology using AmberTools15 and then start following Protein-Ligand Complex - Bevan Lab tutorial it give following error.

Fatal error:

Something is wrong in the coordinate formatting of file 1T2P-native.gro. Note that gro is fixed format (see the manual)

kindly tell the way of converting amber topology and coordinates files into gromacs format.

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