shahrbanoo karbalaee wrote: > > Dear > > I donot get your answer.I have a peptide with NH2 bond in C terminal.Can > I run MD with gromacs generally ?.or It shall know that as modified > residue. > when I run it I have this error: I donot find c for 14 residue.(it is > NH2 in c terminal). "NH2 bond in C terminal" doesn't yet make any sense. Mark