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Schematic illustration representing (a) self-assembly of M13 plasmid (dark blue) and staple strands (deep green) to form cross shaped DNA origami (light blue); (b) and (c) represent AFM 3D images of formed DNA origami on mica. Each of the tiles forms the cross-like structure shown in (a). The 3D images of the cross-shaped DNA origami emphasize the overlap of the two domains.
