Equilibrating the system with 0.5 kcal/mol restraints on DNA, 
during 500ps, at constant T= 300K & P=1ATM and coupling = 0.2
 &cntrl
 imin=0, ntx=5, ntpr=500, ntwr=500, ntwx=500, ntwe=500,
 nscm=5000,
 ntf=2, ntc=2,
 ntb=2, ntp=1, tautp=0.2, 
 taup=0.2,
 nstlim=25000, 
 t=0.0, dt=0.002,
 cut=9.0,
 ntt=1,
 ntr=1,
 irest=1,
 restraintmask=':1-24',
 restraint_wt=0.5,
 &end
 &ewald
 ew_type = 0, skinnb = 1.0,
 &end