Determining Cholesterol Binding to Membrane Proteins by Cholesterol 13C Labeling in Yeast and Dynamic Nuclear Polarization NMR

MR Elkins, IV Sergeyev, M Hong - Journal of the American …, 2018 - ACS Publications
We present a general strategy for determining the cholesterol-binding site of eukaryotic
membrane proteins in native-like lipid membranes by NMR spectroscopy. The strategy …

Challenges and approaches to understand cholesterol-binding impact on membrane protein function: an NMR view

G Jaipuria, T Ukmar-Godec, M Zweckstetter - Cellular and molecular life …, 2018 - Springer
Experimental evidence for a direct role of lipids in determining the structure, dynamics, and
function of membrane proteins leads to the term 'functional lipids'. In particular, the sterol …

Elucidating ligand-bound structures of membrane proteins using solid-state NMR spectroscopy

MR Elkins, M Hong - Current opinion in structural biology, 2019 - Elsevier
Highlights•Novel solid-state NMR distance techniques have been developed to determine
cholesterol-binding sites in membrane proteins.•Solid-state NMR experiments yield the …

[PDF][PDF] How lipid headgroups sense the membrane environment: An application of 14N NMR

JPF Doux, BA Hall, JA Killian - Biophysical journal, 2012 - cell.com
The orientation of lipid headgroups may serve as a powerful sensor of electrostatic
interactions in membranes. As shown previously by 2 H NMR measurements, the …

Direct observation of cholesterol dimers and tetramers in lipid bilayers

MR Elkins, A Bandara, GA Pantelopulos… - The Journal of …, 2021 - ACS Publications
Cholesterol is a ubiquitous component of mammalian cell membranes and affects
membrane protein function. Although cholesterol-mediated formation of ordered membrane …

[HTML][HTML] 17 O NMR spectroscopy as a tool to study hydrogen bonding of cholesterol in lipid bilayers

LJ Rowlands, A Marks, JM Sanderson… - Chemical …, 2020 - pubs.rsc.org
Cholesterol is a crucial component of biological membranes and can interact with other
membrane components through hydrogen bonding. NMR spectroscopy has been used …

[PDF][PDF] Area per lipid and cholesterol interactions in membranes from separated local-field 13C NMR spectroscopy

A Leftin, TR Molugu, C Job, K Beyer, MF Brown - Biophysical journal, 2014 - cell.com
Investigations of lipid membranes using NMR spectroscopy generally require isotopic
labeling, often precluding structural studies of complex lipid systems. Solid-state 13 C magic …

The structural role of cholesterol in biological membranes

M Sugahara, M Uragami, X Yan… - Journal of the American …, 2001 - ACS Publications
Cholesterol is a major component of mammalian cell membranes. In erythrocytes and in
myelin, it is present in concentrations that approach those of phospholipids. 1-3 Despite …

Solid-state NMR approaches to study protein structure and protein–lipid interactions

C Aisenbrey, M Michalek, ES Salnikov… - Lipid-protein interactions …, 2013 - Springer
Solid-state NMR spectroscopy has been developed for the investigation of membrane-
associated polypeptides and remains one of the few techniques to reveal high-resolution …

[HTML][HTML] Cellular solid-state NMR investigation of a membrane protein using dynamic nuclear polarization

K Yamamoto, MA Caporini, SC Im, L Waskell… - … et Biophysica Acta (BBA …, 2015 - Elsevier
While an increasing number of structural biology studies successfully demonstrate the
power of high-resolution structures and dynamics of membrane proteins in fully …