I follow the instructions on ..........
GROMACS Tutorial
Protein-Ligand Complex
Justin A. Lemkul, Ph.D. Virginia Tech Department of Biochemistry
http://www.mdtutorials.com/gmx/complex/index.html
MY problem on this stage
gmx grompp -f ions.mdp -c solv.gro -p topol.top -o ions.tpr
Fatal error: number of coordinates in coordinate file (solv.gro, 72393) does not match topology (topol.top, 6774) For more information and tips for troubleshooting, please check the GROMACS website at http://www.gromacs.org/Documentation/Errors