Figure 5.

Structures presented with the three-legged triskelion subunits. These shells are very similar to clathrin coats. Of particular interest are the symmetric shells seen in the in vitro studies of empty clathrin coats, such as the minicoat with 28 subunits and tetrahedral symmetry (D), the hexagonal barrel with 36 subunits and D₆ dihedral symmetry (E), the tennis ball with 36 subunits and D₂ symmetry (E^∗), and the soccer ball with 60 subunits and icosahedral symmetry (G). The (D), (E), (E^∗), and (G) structures correspond to the labeled regions in Figs. 4 and 11. Note that (E^∗) only appears in stochastic simulations (see the text). To see this figure in color, go online.