; Run parameters integrator = md ; leap-frog integrator nsteps = 100000000 ; 200 ns dt = 0.002 ; 2 fs ; mode for center of mass motion removal comm-mode = Linear ; Output control nstxout = 0 ; save coordinates every 0.2 ps nstvout = 0 ; save velocities every 0.2 ps nstenergy = 0 ; save energies every 0.2 ps nstlog = 0 ; update log file every 0.2 ps xtc_grps = energygrps = nstxtcout = 100 ns_type = grid ; search neighboring grid cells nstlist = 5 ; 10 fs rlist = 1 ; short-range neighborlist cutoff (in nm) rcoulomb = 1 ; short-range electrostatic cutoff (in nm) rvdw = 1 ; short-range van der Waals cutoff (in nm) ; Electrostatics coulombtype = PME ; Particle Mesh Ewald for long-range electrostatics pme_order = 4 ; cubic interpolation fourierspacing = 0.15 ; grid spacing for FFT ewald_rtol = 1e-05 optimize_fft = yes ; Temperature coupling is on tcoupl = V-rescale ; modified Berendsen thermostat tc-grps = System ; two coupling groups - more accurate tau_t = 0.1 ; time constant, in ps ref_t = 300 ; reference temperature, one for each group, in K pbc = xyz ; 3-D PBC ; Method for doing Van der Waals vdw-type = Cut-off gen_vel = no ; assign velocities from Maxwell distribution ; OPTIONS FOR BONDS continuation = constraints = all-bonds ; Apply long range dispersion corrections for Energy and Pressure DispCorr = Ener ; Type of constraint algorithm constraint-algorithm = Lincs ; Highest order in the expansion of the constraint coupling matrix lincs-order = 4 ; Number of iterations in the final step of LINCS. 1 is fine for ; normal simulations, but use 2 to conserve energy in NVE runs. ; For energy minimization with constraints it should be 4 to 8. lincs-iter = 1 ; Lincs will write a warning to the stderr if in one step a bond ; rotates over more degrees than lincs-warnangle = 30 ; Non-equilibrium MD stuff freezegrps = freezedim = ; Electric fields ; Format is number of terms (int) and for all terms an amplitude (real) ; and a phase angle (real) E-x = E-xt = E-y = E-yt = E-z = 1 0.000001 0 ; v/nm ;10 v/cm E-zt =