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DNA-Corralled Nanodiscs for the Structural and Functional Characterization of Membrane Proteins and Viral Entry.


ABSTRACT: Here we present a modular method for manufacturing large-sized nanodiscs using DNA-origami barrels as scaffolding corrals. Large-sized nanodiscs can be produced by first decorating the inside of DNA barrels with small lipid-bilayer nanodiscs, which open up when adding extra lipid to form large nanodiscs of diameters ?45 or ?70 nm as prescribed by the enclosing barrel dimension. Densely packed membrane protein arrays are then reconstituted within these large nanodiscs for potential structure determination. Furthermore, we demonstrate the potential of these nanodiscs as model membranes to study poliovirus entry.

SUBMITTER: Zhao Z 

PROVIDER: S-EPMC6206850 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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DNA-Corralled Nanodiscs for the Structural and Functional Characterization of Membrane Proteins and Viral Entry.

Zhao Zhao Z   Zhang Meng M   Hogle James M JM   Shih William M WM   Wagner Gerhard G   Nasr Mahmoud L ML  

Journal of the American Chemical Society 20180816 34


Here we present a modular method for manufacturing large-sized nanodiscs using DNA-origami barrels as scaffolding corrals. Large-sized nanodiscs can be produced by first decorating the inside of DNA barrels with small lipid-bilayer nanodiscs, which open up when adding extra lipid to form large nanodiscs of diameters ∼45 or ∼70 nm as prescribed by the enclosing barrel dimension. Densely packed membrane protein arrays are then reconstituted within these large nanodiscs for potential structure dete  ...[more]

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