polyA-polyT 10-mer: initial minimisation solvent + ions
 &cntrl
  imin   = 1,
  maxcyc = 5000,
  ncyc   = 2500,
  ntb    = 1,
  ntr    = 1,
  cut    = 9
 /
Hold the DNA fixed
500.0
RES 1 20
END
END