purely aesthetic view, using a space-filling model and colouring the five B subunits red and the A subunit green and black in order to imitate a poppy

side cartoon view, colouring each chain separately in order to emphasize the separation of the A and B subunits and the alpha-helix bridge connecting them

 top view of B subunit, highlighting separate secondary structures, with alpha-helices coloured in blue and beta-sheets coloured in purple

includes water molecules associated with the protein

 space-filling model, using colours to display the amino and carboxy terminals of the individual chains, as well as the insertion of the A subunit at the center (in red)

side view using separate colours and models to emphasize the different subunits