IGEM:Harvard/2006/DNA nanostructures: Difference between revisions
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Revision as of 12:05, 7 July 2006
Project Overview
- Our goal is to to design and implement molecular containers, which can be dynamically opened and closed by an external stimulus.
- The containers will be implemented as DNA nanostructures, which afford a significant degree of positional control and chemical versatility.
- As an initial proof-of-concept, we plan to use our DNA containers to demonstrate controllable activation ("delivery") of anti-thrombin aptamers.
- We expect that molecular containers could have several interesting scientific and clinical applications, such as
- Drug and gene delivery
- Bio-marker scavenging (early detection of biomarkers)
- Directed evolution (compartmentalized selections)
- Using multiplexing for combinatorial chemical synthesis
- Capture and stabilization of multiprotein complexes
- Protein folding (chaperones)
- Cell sorting
Container Specs
Container Designs
-
Design 1
hexagonal core, separate 1-ply lids -
Design 2
hexagonal core, separate 2-ply lids -
Design 3
rectangular core, continuous 1-ply lids -
Design 4
hexagonal core, separate 1-ply lids
Latch Designs
Coding
Existing code
Thrombin-aptamer experiments
Bibliography
- Schultze P, Macaya RF, and Feigon J. Three-dimensional solution structure of the thrombin-binding DNA aptamer d(GGTTGGTGTGGTTGG). J Mol Biol. 1994 Feb 4;235(5):1532-47. DOI:10.1006/jmbi.1994.1105 |
- Liu Y, Lin C, Li H, and Yan H. Aptamer-directed self-assembly of protein arrays on a DNA nanostructure. Angew Chem Int Ed Engl. 2005 Jul 11;44(28):4333-8. DOI:10.1002/anie.200501089 |
- Li WX, Kaplan AV, Grant GW, Toole JJ, and Leung LL. A novel nucleotide-based thrombin inhibitor inhibits clot-bound thrombin and reduces arterial platelet thrombus formation. Blood. 1994 Feb 1;83(3):677-82.
- Bock LC, Griffin LC, Latham JA, Vermaas EH, and Toole JJ. Selection of single-stranded DNA molecules that bind and inhibit human thrombin. Nature. 1992 Feb 6;355(6360):564-6. DOI:10.1038/355564a0 |
- Macaya RF, Schultze P, Smith FW, Roe JA, and Feigon J. Thrombin-binding DNA aptamer forms a unimolecular quadruplex structure in solution. Proc Natl Acad Sci U S A. 1993 Apr 15;90(8):3745-9. DOI:10.1073/pnas.90.8.3745 |
Presentations
Most recent (Week 3)
Week 2: Original proposal
Working Team Members
- Tiffany Chan (talk)
- Katherine Fifer (talk)
- Valerie Lau (talk)
- Matthew Meisel (talk)
- ...and others are welcome!