Figure 2From: Tandem duplication, circular permutation, molecular adaptation: how Solanaceae resist pests via inhibitorsStructural comparison of three types of Pot II PI topologies: H-L, L-H and H+L. The structures are in ribbon representation, with the N- and C-termini marked and the reactive sites depicted in ball-and-stick mode. The β-strands are shown in red, with the linker regions marked.Back to article page