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Narayanan RP, Prasad A, Buchberger A, Zou L, Bernal-Chanchavac J, MacCulloch T, Fahmi NE, Yan H, Zhang F, Webber MJ, Stephanopoulos N. High-Affinity Host-Guest Recognition for Efficient Assembly and Enzymatic Responsiveness of DNA Nanostructures. Small 2024; 20:e2307585. [PMID: 37849034 PMCID: PMC10922742 DOI: 10.1002/smll.202307585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Indexed: 10/19/2023]
Abstract
The combination of multiple orthogonal interactions enables hierarchical complexity in self-assembled nanoscale materials. Here, efficient supramolecular polymerization of DNA origami nanostructures is demonstrated using a multivalent display of small molecule host-guest interactions. Modification of DNA strands with cucurbit[7]uril (CB[7]) and its adamantane guest, yielding a supramolecular complex with an affinity of order 1010 m-1 , directs hierarchical assembly of origami monomers into 1D nanofibers. This affinity regime enables efficient polymerization; a lower-affinity β-cyclodextrin-adamantane complex does not promote extended structures at a similar valency. Finally, the utility of the high-affinity CB[7]-adamantane interactions is exploited to enable responsive enzymatic actuation of origami nanofibers assembled using peptide linkers. This work demonstrates the power of high-affinity CB[7]-guest recognition as an orthogonal axis to drive self-assembly in DNA nanotechnology.
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Affiliation(s)
- Raghu Pradeep Narayanan
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Abhay Prasad
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Alex Buchberger
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Lei Zou
- Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Julio Bernal-Chanchavac
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Tara MacCulloch
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Nour Eddine Fahmi
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Hao Yan
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
| | - Fei Zhang
- Department of Chemistry, Rutgers University-Newark, Newark, NJ, 07102, USA
| | - Matthew J Webber
- Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Nicholas Stephanopoulos
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ, 85287, USA
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