Self-Assembly of a 3D DNA Crystal Structure with Rationally Designed Six-Fold Symmetry

Fei Zhang, Chad R. Simmons, Jade Gates, Yan Liu, Hao Yan

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Programming self-assembled designer DNA crystals with various lattices and functions is one of the most important goals for nanofabrication using nucleic acids. The resulting porous materials possess atomic precision for several potential applications that rely on crystalline lattices and cavities. Herein, we present a rationally designed and self-assembled 3D DNA crystal lattice with hexagonal symmetry. In our design, two 21-base oligonucleotides are used to form a duplex motif that further assembles into a 3D array. The interactions between the strands are programmed using Watson–Crick base-pairing. The six-fold symmetry, as well as the chirality, is directed by the Holliday junctions formed between the duplex motifs. The rationally designed DNA crystal provides a new avenue that could create self-assembled macromolecular 3D crystalline lattices with atomic precision. In addition, the structure contains a highly organized array of well-defined cavities that are suitable for future applications with immobilized guests.

Original languageEnglish
Pages (from-to)12504-12507
Number of pages4
JournalAngewandte Chemie - International Edition
Volume57
Issue number38
DOIs
Publication statusPublished - Sep 17 2018

Fingerprint

Crystal symmetry
Crystal lattices
Self assembly
DNA
Crystal structure
Crystalline materials
Crystals
Oligonucleotides
Chirality
Nucleic acids
Nanotechnology
Nucleic Acids
Porous materials

Keywords

  • crystallography
  • DNA nanotechnology
  • porous materials
  • self-assembled crystals

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

Cite this

Self-Assembly of a 3D DNA Crystal Structure with Rationally Designed Six-Fold Symmetry. / Zhang, Fei; Simmons, Chad R.; Gates, Jade; Liu, Yan; Yan, Hao.

In: Angewandte Chemie - International Edition, Vol. 57, No. 38, 17.09.2018, p. 12504-12507.

Research output: Contribution to journalArticle

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