Gal4 Protein bound to DNA

Thick Backbone Traces:
      Gal4 Protein,
      DNA Chain 1,
      DNA Chain 2.

+ Second Gal4 chain
      (mirror image position)

+ Amino acid side chains
      + DNA base pairs

Protein only,
      colors as above.

Hydrophobic sidechains,
      Hydrophilic sidechains,
      Protein 1 backbone,
      Protein 2 backbone.
Use menu Options, Slab to see hydrophobic strip between amphipathic helices.

Thin backbone traces:
      Gal4 Protein,
      DNA Chain 1,
      DNA Chain 2.

To Zinc Ions