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#############################################################
## JOB DESCRIPTION                                         ##
#############################################################

# Minimization and Equilibration of
# the whole complex in a Water Box


#############################################################
## ADJUSTABLE PARAMETERS                                   ##
#############################################################

structure           ionized.psf
coordinates         ionized.pdb

set temperature    300
set outputname    whole_out

firsttimestep      0


#############################################################
## SIMULATION PARAMETERS                                   ##
#############################################################

# Input
paraTypeCharmm            on
parameters           par_all27_prot_lipid_na.inp

temperature         $temperature


# Force-Field Parameters
exclude             scaled1-4
1-4scaling          1.0
cutoff              14.0
switching           on
switchdist          10.0
pairlistdist        16.0


# Integrator Parameters
timestep            2  ;# 2fs/step
rigidBonds          all  ;# needed for 2fs steps
nonbondedFreq       1
fullElectFrequency  2  
stepspercycle       10


# Constant Temperature Control
langevin            on    ;# do langevin dynamics
langevinDamping     1     ;# damping coefficient (gamma) of 1/ps
langevinTemp        $temperature
langevinHydrogen    off    ;# don't couple langevin bath to hydrogens


# Periodic Boundary Conditions
cellBasisVector1   152.1    0.0    0.0
cellBasisVector2     0.0   158.9   0.0
cellBasisVector3     0.0    0.0   152.6
cellOrigin         -52.6  -16.9   -29.8

wrapAll             on


# PME (for full-system periodic electrostatics)
PME                 yes
PMEGridSpacing      1.0

#manual grid definition
#PMEGridSizeX        45
#PMEGridSizeY        45
#PMEGridSizeZ        48


# Constant Pressure Control (variable volume)
useGroupPressure      yes ;# needed for rigidBonds
useFlexibleCell       yes
useConstantArea       no

langevinPiston        on
langevinPistonTarget  1.01325 ;#  in bar -> 1 atm
langevinPistonPeriod  100.0
langevinPistonDecay   50.0
langevinPistonTemp    $temperature


# Output
outputName          $outputname

restartfreq         500     ;# 500steps = every 1ps
dcdfreq             250
xstFreq             250
outputEnergies      100
outputPressure      100


#############################################################
## EXTRA PARAMETERS                                        ##
#############################################################


#############################################################
## EXECUTION SCRIPT                                        ##
#############################################################

# Minimization
minimize            20000
for { set TEMP 0 } { $TEMP < 300 } { incr TEMP 30 } {
reinitvels          $TEMP
             langevinTemp $TEMP
         run 5000
}
reinitvels          $temperature
langevinTemp 300
langevinPistonTemp 300


run 1000000 ;# 2ns

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