Figure 2: Interactions made by the TSP1 domain.
From: Structure of the poly-C9 component of the complement membrane attack complex

(a) A view of the outside of the globular portion of the poly-C9 map showing the TSP1 domain (purple) located at each subunit interface. The central C9 monomer is coloured as in Fig. 1, with the monomers each side in dark yellow and purple (TSP1 domain). (b) A view from the top showing placement of the TSP1 domain between the C-terminal helix (marked with *) of each MACPF domain.