5KEK:
reference: Construction and Structure Determination of a Three-Dimensional DNA Crystal., Simmons CR, Zhang F, Birktoft JJ, Qi X, Han D, Liu Y, Sha R, Abdallah HO, Hernandez C, Ohayon YP, Seeman NC, Yan H, J Am Chem Soc. 2016 Aug 2. PMID: 27447429

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