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Covalently circularized nanodiscs for studying membrane proteins and viral entry


Nasr, Mahmoud L; Baptista, Diego; Strauss, Mike; Sun, Zhen-Yu J; Grigoriu, Simina; Huser, Sonja; Plückthun, Andreas; Hagn, Franz; Walz, Thomas; Hogle, James M; Wagner, Gerhard (2017). Covalently circularized nanodiscs for studying membrane proteins and viral entry. Nature Methods, 14(1):49-52.

Abstract

We engineered covalently circularized nanodiscs (cNDs) which, compared with standard nanodiscs, exhibit enhanced stability, defined diameter sizes and tunable shapes. Reconstitution into cNDs enhanced the quality of nuclear magnetic resonance spectra for both VDAC-1, a β-barrel membrane protein, and the G-protein-coupled receptor NTR1, an α-helical membrane protein. In addition, we used cNDs to visualize how simple, nonenveloped viruses translocate their genomes across membranes to initiate infection.

Abstract

We engineered covalently circularized nanodiscs (cNDs) which, compared with standard nanodiscs, exhibit enhanced stability, defined diameter sizes and tunable shapes. Reconstitution into cNDs enhanced the quality of nuclear magnetic resonance spectra for both VDAC-1, a β-barrel membrane protein, and the G-protein-coupled receptor NTR1, an α-helical membrane protein. In addition, we used cNDs to visualize how simple, nonenveloped viruses translocate their genomes across membranes to initiate infection.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Department of Biochemistry
07 Faculty of Science > Department of Biochemistry
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:January 2017
Deposited On:23 Jun 2017 09:43
Last Modified:24 Jun 2017 07:53
Publisher:Nature Publishing Group
ISSN:1548-7091
Publisher DOI:https://doi.org/10.1038/nmeth.4079
PubMed ID:27869813

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