Different semi-synthetic PDNAs (protein–DNA complexes), which encompass a protein core engineered from the cytochrome b5 scaffold, an embedded tuneable redox cofactor, a synthetic linker and a large oligonucleotide, were designed, synthesized and purified to homogeneity. These building blocks can be reversibly attached to Ni-DOGS {1,2-dioleoyl-sn-glycero-3-[N(5-amino-1-carboxypentyl)iminodiacetic acid]succinyl}-doped supported membranes through a metal chelate bridge with the protein part and be polymerized in a fully controllable manner using a solid-phase synthesis strategy and a stepwise addition of suitable complementary oligonucleotides. The resulting structures could recreate a large range of regular distribution of patterned redox and absorbing centres separated by fully tuneable distances and geometry. Kinetic parameters for the self-assembly of building blocks were determined using SPRI (surface plasmon resonance imagery). Structures of resulting nano-objects were characterized using gel electrophoresis and single molecule approaches following decoration of assemblies with quantum dots.
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Conference Article|
May 22 2007
PDNA as building blocks for membrane-guided self-assemblies
D. Pompon;
D. Pompon
1
1Centre de Génétique Moléculaire, Centre National de la Recherche Scientifique, UPR2167, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France
1To whom correspondence should be addressed (email [email protected]).
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A. Laisné
A. Laisné
1Centre de Génétique Moléculaire, Centre National de la Recherche Scientifique, UPR2167, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France
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Publisher: Portland Press Ltd
Received:
January 02 2007
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© 2007 Biochemical Society
2007
Biochem Soc Trans (2007) 35 (3): 495–497.
Article history
Received:
January 02 2007
Citation
D. Pompon, A. Laisné; PDNA as building blocks for membrane-guided self-assemblies. Biochem Soc Trans 1 June 2007; 35 (3): 495–497. doi: https://doi.org/10.1042/BST0350495
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