;70ps Equilibration POPC system
integrator               = md
dt                       = 0.002
nsteps                   = 5000            
nstlist                  = 10
rlist                    = 1.0
coulombtype              = PME
rcoulomb                 = 1
vdwtype                  = cut-off
rvdw                     = 1.0
tcoupl                   = Berendsen
tc-grps                  = protein non-protein
tau_t                    = 0.1 0.1
ref_t                    = 310 310
Pcoupl                   = Berendsen
pcoupltype               = isotropic
tau_p                    = 0.5
compressibility          = 4.5e-5 
ref_p                    = 1.0
nstxout                  = 250
nstvout                  = 1000
nstxtcout                = 100
nstenergy                = 10
;define                   = -DPOSRES