19 F-NMR studies of the impact of different detergents and nanodiscs on the A 2A adenosine receptor

For the A adenosine receptor (A AR), a class A G-protein-coupled receptor (GPCR), reconstituted in n-dodecyl-β-D-maltoside (DDM)/‌‌‌‌‌cholesteryl hemisuccinate (CHS) mixed micelles, previous F-NMR studies revealed the presence of multiple simultaneously populated conformational states. Here, we stud...

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Bibliographic Details
Published inJournal of biomolecular NMR
Main Authors Mendoza-Hoffmann, Francisco, Guo, Canyong, Song, Yanzhuo, Feng, Dandan, Yang, Lingyun, Wüthrich, Kurt
Format Journal Article
LanguageEnglish
Published Netherlands 10.12.2023
Subjects
G protein-coupled receptor
LMNG/CHS micelles
Membrane mimetics
DDM/CHS micelles
GPCR
Lipid nanodiscs
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Summary:For the A adenosine receptor (A AR), a class A G-protein-coupled receptor (GPCR), reconstituted in n-dodecyl-β-D-maltoside (DDM)/‌‌‌‌‌cholesteryl hemisuccinate (CHS) mixed micelles, previous F-NMR studies revealed the presence of multiple simultaneously populated conformational states. Here, we study the influence of a different detergent, lauryl maltose neopentyl glycol (LMNG) in mixed micelles with CHS, and of lipid bilayer nanodiscs on these conformational equilibria. The populations of locally different substates are pronouncedly different in DDM/‌‌‌‌‌CHS and LMNG/‌‌‌‌‌CHS micelles, whereas the A AR conformational manifold in LMNG/‌‌‌‌‌CHS micelles is closely similar to that in the lipid bilayer nanodiscs. Considering that nanodiscs represent a closer match of the natural lipid bilayer membrane, these observations support that LMNG/‌‌‌‌‌CHS micelles are a good choice for reconstitution trials of class A GPCRs for NMR studies in solution.
ISSN:1573-5001