Use of electron paramagnetic resonance to solve biochemical problems

ID Sahu, RM McCarrick, GA Lorigan - Biochemistry, 2013 - ACS Publications
Electron paramagnetic resonance (EPR) spectroscopy is a very powerful biophysical tool
that can provide valuable structural and dynamic information about a wide variety of …

KCNE1 and KCNE3: The yin and yang of voltage-gated K+ channel regulation

GW Abbott - Gene, 2016 - Elsevier
The human KCNE gene family comprises five genes encoding single transmembrane-
spanning ion channel regulatory subunits. The primary function of KCNE subunits appears …

DEER EPR measurements for membrane protein structures via bifunctional spin labels and lipodisq nanoparticles

ID Sahu, RM McCarrick, KR Troxel, R Zhang… - Biochemistry, 2013 - ACS Publications
Pulsed EPR DEER structural studies of membrane proteins in a lipid bilayer have often been
hindered by difficulties in extracting accurate distances when compared to those of globular …

Vinyl Ether Maleic Acid Polymers: Tunable Polymers for Self-Assembled Lipid Nanodiscs and Environments for Membrane Proteins

MZ Shah, NC Rotich, EA Okorafor… - …, 2024 - ACS Publications
Native lipid bilayer mimetics, including those that use amphiphilic polymers, are important
for the effective study of membrane-bound peptides and proteins. Copolymers of vinyl ether …

The Expression, Purification, Spectroscopic Characterization, and Membrane Topology Classification of KCNE4 from Recombinant E. coli

A Bates, I Miller, EM Travis, ID Sahu… - The Journal of …, 2024 - ACS Publications
Members of the KCNE family are accessory subunits that modulate voltage-gated potassium
channels. One member, KCNE4, has been shown to inhibit the potassium ion current in …

[HTML][HTML] Characterizing the structure of lipodisq nanoparticles for membrane protein spectroscopic studies

R Zhang, ID Sahu, L Liu, A Osatuke, RG Comer… - … et Biophysica Acta (BBA …, 2015 - Elsevier
Membrane protein spectroscopic studies are challenging due to the difficulty introduced in
preparing homogenous and functional hydrophobic proteins incorporated into a lipid bilayer …

Simple derivatization of RAFT-synthesized styrene–maleic anhydride copolymers for lipid disk formulations

KM Burridge, BD Harding, ID Sahu… - …, 2020 - ACS Publications
Styrene–maleic acid copolymers have received significant attention because of their ability
to interact with lipid bilayers and form styrene–maleic acid copolymer lipid nanoparticles …

[HTML][HTML] Role of membrane mimetics on biophysical EPR studies of membrane proteins

ID Sahu, GA Lorigan - Biochimica et Biophysica Acta (BBA)-Biomembranes, 2023 - Elsevier
Biological membranes are essential in providing the stability of membrane proteins in a
functional state. Functionally stable homogeneous sample is required for biophysical …

Structural investigation of the transmembrane domain of KCNE1 in proteoliposomes

ID Sahu, BM Kroncke, R Zhang, MM Dunagan… - Biochemistry, 2014 - ACS Publications
KCNE1 is a single-transmembrane protein of the KCNE family that modulates the function of
voltage-gated potassium channels, including KCNQ1. Hereditary mutations in KCNE1 have …

Characterizing the structure of styrene-maleic acid copolymer-lipid nanoparticles (SMALPs) using RAFT polymerization for membrane protein spectroscopic studies

BD Harding, G Dixit, KM Burridge, ID Sahu… - Biophysical …, 2019 - cell.com
Lipoprotein signal peptidase (LspA) is a key enzyme in the lipoprotein processing pathway
and is responsible for cleaving the signal sequence of prolipoproteins. LspA is a membrane …