DNA Contact Atoms:
      4 Phosphates,
      Nitrogen-4 in two Cytosines,
      and an Oxygen-6 in a Guanine.

Protein Contact Atoms:
      Nitrogens: 2 Arg, 2 Lys, 1 Gln
      Oxygens: 1 Thr, 2 Lys

Contact atoms on both molecules,
      PROTEIN LARGE, dna small.
      Phosphates: 2 Arg, Lys, Gln, Thr
      Cytosine N's: Lys O's
      Guanine O: Lys N