valgrind --leak-check=yes --show-reachable=yes --leak-resolution=high --skin=memcheck 
../src/mdenergy.Linux -par par_all27_prot_lipid_ret.inp -switch 10 -cutoff 12   -sel tyr268.sel -psf 
rh_protein.psf -dcd rh_iso.dcd -fvdw -end 0 -f force.out
