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#############################################################
## JOB DESCRIPTION                                         ##
#############################################################
# Minimization and Equilibration of
# 1kimz in a Water Box

#############################################################
## ADJUSTABLE PARAMETERS                                   ##
#############################################################
structure          ../common/1kimz_wb.psf
coordinates        ../common/1kimz_wb.pdb
set temperature    310
set outputname     1kimz_wb_eq
firsttimestep      0

#############################################################
## SIMULATION PARAMETERS                                   ##
#############################################################
# Input
paraTypeCharmm     on
parameters          ../common/par_all27_prot_lipid.inp
temperature         $temperature

# Force-Field Parameters
exclude             scaled1-4
1-4scaling          1.0
cutoff              10.
switching           on
switchdist          8.
pairlistdist        12

# Integrator Parameters
timestep            2.0  ;# 1fs/step
rigidBonds          all  ;# needed for 2fs steps
nonbondedFreq       1
fullElectFrequency  2  
stepspercycle       10

# Constant Temperature Control
langevin            on    ;# do langevin dynamics
langevinDamping     5     ;# damping coefficient (gamma) of 5/ps
langevinTemp        $temperature
langevinHydrogen    off    ;# don't couple langevin bath to hydrogens

# Periodic Boundary Conditions
cellBasisVector1    80.    0.   0.
cellBasisVector2     0.   70.   0.
cellBasisVector3     0.    0   75.
cellOrigin          29.   85.  42.
wrapAll             on

# PME (for full-system periodic electrostatics)
PME                 yes
PMEGridSizeX        82
PMEGridSizeY        71
PMEGridSizeZ        78

# Constant Pressure Control (variable volume)
useGroupPressure      yes ;# needed for rigidBonds
useFlexibleCell       no
useConstantArea       no
langevinPiston        on
langevinPistonTarget  1.01325 ;#  in bar -> 1 atm
langevinPistonPeriod  100.
langevinPistonDecay   50.
langevinPistonTemp    $temperature

# Output
outputName          $outputname
restartfreq         500     ;# 500steps = every 1ps
dcdfreq             250
xstFreq             250
outputEnergies      100
outputPressure      100

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

#############################################################
## EXECUTION SCRIPT                                        ##
#############################################################
# Minimization
minimize            1000
reinitvels          $temperature
run 5000 ;# 100ps
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exit
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