4.4 Article

DNA-based aromatic zipper fastened by an aromatic stacking interaction

Journal

TETRAHEDRON LETTERS
Volume 45, Issue 29, Pages 5755-5758

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.05.032

Keywords

aromatic zipper; molecular architecture; super molecule; aromatic stacking; bio-nano materials

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A novel thymidine-methyl red conjugate was synthesized and incorporated into oligodeoxyribonucleotides (ODNs). The ODNs containing the conjugate formed a novel nucleic acid-based structural motif, the aromatic zipper, which fastens via the stacking interactions of aromatic residues that are attached to DNA strands. The aromatic zipper can be used to stabilize structural motifs in nucleic acids and their analogues, such as hairpin structures, by fastening their ends. (C) 2004 Elsevier Ltd. All rights reserved.

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