Figure 3. Structural differences in the nucleocytoplasmic section.
(a) View of the central nucleocytoplasmic section through the native NPC. (b) View of the central nucleocytoplasmic section through the ActD-NPC. Both sections are 25-nm thick. The putative Nup214 region is indicated by white arrowheads. The local resolution of the structures is visualized by surface colouring. Resolution values are given by the colour key. The dashed ellipses indicate major structural changes in the NPR. Regions in the CCR with comparatively high structural flexibility are indicated by black arrowheads.