Recent advances in membrane mimetics for membrane protein research

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Abstract

Membrane proteins are a highly relevant class of biological molecules and comprise ∼60% of current drug targets. Before being analyzed by structural, biochemical, and biophysical methods, membrane proteins must first be extracted from cellular membranes — often using detergents. Detergent-extracted membrane proteins are amenable to analysis by structural, biochemical, and biophysical techniques. In certain cases, however, detergents can disturb native protein conformations and/or biological activity. This has led to the development of membrane mimetics, which stabilize membrane proteins in a native membrane-like environment that is water-soluble and detergent-free. This review provides an overview of recent developments in the membrane mimetic field, with a focus on nanodiscs, Saposin lipid nanoparticles (SapNPs), peptidiscs, and SMA lipid particles (SMALPs) — and highlights their utility for supporting biophysical, biochemical, and structural characterization of membrane proteins and complexes.

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Young, J. W. (2023, June 1). Recent advances in membrane mimetics for membrane protein research. Biochemical Society Transactions. Portland Press Ltd. https://doi.org/10.1042/BST20230164

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