Initial min for solvent+ions
 &cntrl
  imin   = 1,
  maxcyc = 2000,
  ncyc   = 1000,
  ntmin   = 1,
  ntb    = 1,
  ntr    = 1,
  ntpr   = 500,
  cut    = 8.0
 /
Hold only DNA+protein fixed
500.0
RES 1 1
END
END

