DNA origami design of 3D nanostructures

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    Structural DNA nanotechnology has been heavily dependent on the development of dedicated software tools for the design of unique helical junctions, to define unique sticky-ends for tile assembly, and for predicting the products of the self-assembly reaction of multiple DNA strands [1-3]. Recently, several dedicated 3D editors for computer-aided design of DNA structures have been developed [4-7]. However, many of these tools are not efficient for designing DNA origami structures that requires the design of more than 200 unique DNA strands to be folded along a scaffold strand into a defined 3D shape [8]. We have recently developed a semi-automated DNA origami software package [9] that uses a 2D sequence editor in conjunction with several automated tools to facilitate the design process. Here we extend the use of the program for designing DNA origami structures in 3D and show the application by the construction of a DNA box with dimensions of 42 × 36 × 36 nm3. The software is available at www.cdna.dk/origami/ .
    Original languageEnglish
    JournalNature Protocols (Online)
    Publication statusPublished - 2009


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