tolerance 2.5
filetype pdb
output system_init.pdb

structure ../air/air_gaff.pdb
    number 100
    inside cube -10.613990804113833 -10.613990804113833 -10.613990804113833 21.227981608227665
    resnumbers 3
  end structure
structure ../urea/URA_gaff.pdb
    number 9
    inside cube -10.613990804113833 -10.613990804113833 -10.613990804113833 21.227981608227665
    resnumbers 3
  end structure
structure ../amoniak/AMK_gaff.pdb
    number 15
    inside cube -10.613990804113833 -10.613990804113833 -10.613990804113833 21.227981608227665
    resnumbers 3
  end structure