integrator = md dt = 0.00000001 nsteps = 100; 50 ns nstcomm = 20 nstxtcout = 100 nstxout = 100000 nstvout = 500 nstfout = 0 nstlog = 1 nstenergy = 1 nstlist = 1 ns_type = grid rlist = 4.5 rcoulomb = 4.5 rvdw = 4.5 rgbradii = 0 pbc = no comm_mode = linear constraints = none Tcoupl = no tc-grps = Protein tau_t = .01 ref_t = 300 energygrps = Protein ; Generate velocites is off at 300 K. gen_vel = yes gen_temp = 300.0 gen_seed = -1 ld_seed = -1 coulombtype = cutoff epsilon_rf = 78.