Using O2 to probe membrane immersion depth by 19F NMR

RS Prosser, PA Luchette… - Proceedings of the …, 2000 - National Acad Sciences
A fluorinated detergent, CF3 (CF2) 5C2H4-O-maltose, was reconstituted into a lipid bilayer
model membrane system to demonstrate the feasibility of determining solvent accessibility …

Determination of membrane immersion depth with O2: A high-pressure 19F NMR study

RS Prosser, PA Luchette, PW Westerman, A Rozek… - Biophysical …, 2001 - cell.com
Oxygen is known to partition with an increasing concentration gradient toward the
hydrophobic membrane interior. At partial pressures (P O2) of 100Atm or more, this …

An NMR study of the origin of dioxygen-induced spin-lattice relaxation enhancement and chemical shift perturbation

RS Prosser, PA Luchette - Journal of Magnetic Resonance, 2004 - Elsevier
Due to its depth-dependent solubility, oxygen exerts paramagnetic effects which become
progressively greater toward the hydrophobic interior of micelles, and lipid bilayer …

A solution NMR approach to the measurement of amphiphile immersion depth and orientation in membrane model systems

MS Al-Abdul-Wahid, C Neale, R Pomes… - Journal of the …, 2009 - ACS Publications
Oxygen and Ni (II) are ideal paramagnetic species for NMR studies of immersion depth
since they establish prominent concentration gradients across the membrane− water …

[HTML][HTML] The measurement of immersion depth and topology of membrane proteins by solution state NMR

RS Prosser, F Evanics, JL Kitevski, S Patel - Biochimica et Biophysica Acta …, 2007 - Elsevier
An important component of the study of membrane proteins involves the determination of
details associated with protein topology—for example, the location of transmembrane …

Fluorine-19 NMR chemical shift probes molecular binding to lipid membranes

EY Chekmenev, SK Chow, D Tofan… - The Journal of …, 2008 - ACS Publications
The binding of amphiphilic molecules to lipid bilayers is followed by 19F NMR using
chemical shift and line shape differences between the solution and membrane-tethered …

Fluorine-19 NMR relaxation and water penetration in surfactant micelles

J Ulmius, B Lindman - The Journal of Physical Chemistry, 1981 - ACS Publications
The 19F NMR spin-lattice relaxation in H20 and D20 solutions was investigated for the
various fluorines in the following perfluorinated or partially fluorinated amphiphiles …

Solid-State NMR 31P Paramagnetic Relaxation Enhancement Membrane Protein Immersion Depth Measurements

S Maltsev, SM Hudson, ID Sahu, L Liu… - The Journal of …, 2014 - ACS Publications
Paramagnetic relaxation enhancement (PRE) is a widely used approach for measuring long-
range distance constraints in biomolecular solution NMR spectroscopy. In this paper, we …

Solid state 19F NMR methods for studying biomembranes

AS Ulrich - Progress in Nuclear Magnetic Resonance …, 2005 - Elsevier
At first sight the application of 19F NMR to biological samples may seem like a paradox, as
fluorine scarcely occurs in organic matter. However, this very lack of natural abundance in …

Perfluorooctyl bromide has limited membrane solubility and is located at the bilayer center. Locating small molecules in lipid bilayers through paramagnetic …

JF Ellena, VV Obraztsov, VL Cumbea… - Journal of medicinal …, 2002 - ACS Publications
There is considerable interest in the use of perfluorocarbons as oxygen carriers in clinical
settings; however, little is known regarding the molecular interactions made by these apolar …