Figure 1 - full size

Figure 1.
Figure 1. Overview of the crystal structure of the a1/ 2/DNA ternary complex. The a1 homeodomain is shown in red, 2 in blue, and the DNA in silver. The three helices of a1 and the tail of 2 have been noted. The 2 tail folds into a short amphipathic helix and packs against the groove formed by Helix 1 and 2 of a1.