Sat Nov  8 11:36:20 PST 2008
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  test reading dna and protein.

  protein:  chain A

  dna: chain C   residues:  DA , DG, DC, DT

  dna: chain D   residues:  DA , DG, DC, DT

  water: HETATM  residue:   HOH


  NOTE: there seems to be a problem with the bond connectivity for
        this type of dna.