############################################################# ## JOB DESCRIPTION ## ############################################################# # The task of this configuration file is NPT run after pre-Eq. run ############################################################# ## ADJUSTABLE PARAMETERS ## ############################################################# set import sbox_init #set minim energy-minimization #set export EM1 #set init_temp 0 set desired_temp 330 structure ${import}.psf coordinates ${import}.pdb bincoordinates 310K-init.coor ; # from pre-eq extendedSystem 310K-init.xsc # Continuing a job from the restart files #if {0} { #set inputname myinput #binCoordinates $inputname.restart.coor #binVelocities $inputname.restart.vel ; #remove "temperature" entry if you use this! #extendedSystem $inputname.restart.xsc #} firsttimestep 0 numsteps 500 ; # 20 ns outputName const_j1_310K ############################################################# ## SIMULATION PARAMETERS ## ############################################################# #forcefield parameter file (AMBER99bs0) paraTypeCharmm on parameters parm99bs0_all.prm # NOTE: Do not set the initial velocity temperature if you # have also specified a .vel restart file! #initial config temperature $desired_temp # Periodic Boundary conditions # NOTE: Do not set the periodic cell basis if you have also # specified an .xsc restart file! # cellBasisVector1 70.872001648 0. 0. # cellBasisVector2 0. 97.295000493545 0. # cellBasisVector3 0. 0 87.7749958039 # cellOrigin 55.5835037231 48.3113365173 23.6531543732 wrapWater on wrapAll on # Force-Field Parameters exclude scaled1-4 1-4scaling 1.0 cutoff 12.0 switching on switchdist 10.0 pairlistdist 13.5 #integrator parameters timestep 2.0 rigidBonds all nonbondedFreq 1 #outputfiles and restart options # outputname ${export} binaryoutput no restartname restart restartfreq 500 binaryrestart yes dcdfreq 10000 ;# 20 ps interval xstfreq 250 outputEnergies 1000 outputTiming 1000 outputPressure 1000 # PME (for full-system periodic electrostatics) PME yes PMEGridSizeX 72 PMEGridSizeY 97 PMEGridSizeZ 89 #Fixed atoms for initial heating up steps #fixedAtoms on #fixedAtomsForces on #fixedAtomsFile fix_solute.pdb #fixedAtomsCol B #Restrained atoms for initial heating-up #constraints on #consref fix_solute.pdb #conskfile fix_solute.pdb #conskcol B # Constant Temperature Contro langevin on langevinDamping 5. langevinTemp $desired_temp langevinHydrogen no #langevin pressure control useGroupPressure yes ;# needed for 2fs steps useFlexibleCell no ;# no for water box, yes for membrane useConstantArea no ;# no for water box, yes for membrane langevinPiston on langevinPistonTarget 1.01325 ;# in bar -> 1 atm langevinPistonPeriod 100. langevinPistonDecay 50. langevinPistonTemp $desired_temp run 500 #Temperature reassignment #reassignFreq 10000 #reassignTemp $init_temp #reassignIncr 10 #reassignHold $desired_temp ############################################################# ## EXTRA PARAMETERS ## ############################################################# # Put here any custom parameters that are specific to # this job (e.g., SMD, TclForces, etc...) ############################################################# ## EXECUTION SCRIPT ## ############################################################# #Minimization #run 1 step to get into scripting mode #minimize 0 #turn off pressure control until later #langevinPiston off #fix solute #minimize 1000 #minimize all atoms #fixedAtoms off #minimize 1000 #Heat gradually 10K/1000steps #reinitvels $init_temp #run 600000 #equilibrate volume with Ps restrained #langevinPiston on #run 600000; #12ns #equilibrate volume without restraints #constraintScaling 0 #run 6000000; #120ns