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A theoretical assessment of structure determination of multi-span membrane proteins by oriented sample solid-state NMR spectroscopy.


ABSTRACT: Oriented sample solid state NMR (OS-ssNMR) spectroscopy allows direct determination of the structure and topology of membrane proteins reconstituted into aligned lipid bilayers. While OS-ssNMR theoretically has no upper size limit, its application to multi-span membrane proteins has not been established since most studies have been restricted to single or dual span proteins and peptides. Here, we present a critical assessment of the application of this method to multi-span membrane proteins. We used molecular dynamics simulations to back-calculate [15N-1H] separated local field (SLF) spectra from a G protein-coupled receptor (GPCR) and show that fully resolved spectra can be obtained theoretically for a multi-span membrane protein with currently achievable resonance linewidths.

SUBMITTER: Weber DK 

PROVIDER: S-EPMC7643874 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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A theoretical assessment of structure determination of multi-span membrane proteins by oriented sample solid-state NMR spectroscopy.

Weber Daniel K DK   Veglia Gianluigi G  

Australian journal of chemistry 20190920 3


Oriented sample solid state NMR (OS-ssNMR) spectroscopy allows direct determination of the structure and topology of membrane proteins reconstituted into aligned lipid bilayers. While OS-ssNMR theoretically has no upper size limit, its application to multi-span membrane proteins has not been established since most studies have been restricted to single or dual span proteins and peptides. Here, we present a critical assessment of the application of this method to multi-span membrane proteins. We  ...[more]

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