# -- Init Section -- include system.in.init # -- Atom Definition Section -- # I you want to be careful, you can minimize the system first. (Try using # "run.in.min" and uncomment the read_restart command in this file below.) # read_restart system_after_min.rst read_data system.data # -- Settings Section -- include system.in.settings # -- Run Section -- timestep 0.025 dump 1 all custom 50 traj_nvt.lammpstrj id mol type x y z ix iy iz # To use Langevin dynamics in LAMMPS you need both "fix langevin" and "fix nve". # (See http://lammps.sandia.gov/doc/fix_langevin.html for details.) # Keep the chaperonin fixed. Only let the protein move. fix fxlan proteins langevin 0.39 0.39 1.0 48279 fix fxnve proteins nve # Notes: # The temperature is in reduced units and is set to 0.39 # which is the folding temperature for the unfrustrated protein. # The inverse-damping-rate "damp" (which has units of time) is set to 1.0, # as it was in the paper. (Hopefully folding times should be similar.) # (See http://lammps.sandia.gov/doc/fix_langevin.html) thermo_style custom step temp pe etotal press vol epair ebond eangle edihed thermo_modify norm no #(report total energy not energy / num_atoms) thermo 50 #(time interval for printing out "thermo" data) #restart 100000000 restart_nvt run 5000 write_restart system_after_nvt.rst