Membrane order perturbation in the presence of antimicrobial peptides by 2H solid-state NMR spectroscopy

ES Salnikov, AJ Mason, B Bechinger - Biochimie, 2009 - Elsevier
The 2H solid-state NMR spectra of deuterated fatty acyl chains provide direct access to the
order of the hydrophobic membrane interior. From the deuterium order parameter profiles of …

The determination of pair distance distributions by pulsed ESR using Tikhonov regularization

YW Chiang, PP Borbat, JH Freed - Journal of Magnetic Resonance, 2005 - Elsevier
Pulsed ESR techniques with the aid of site-directed spin labeling have proven useful in
providing unique structural information about proteins. The determination of distance …

Lipid–Peptide Vesicle Nanoscale Hybrids for Triggered Drug Release by Mild Hyperthermia in Vitro and in Vivo

ZS Al-Ahmady, WT Al-Jamal, JV Bossche, TT Bui… - ACS …, 2012 - ACS Publications
The present study describes leucine zipper peptide–lipid hybrid nanoscale vesicles
engineered by self-assembled anchoring of the amphiphilic peptide within the lipid bilayer …

Direct conversion of EPR dipolar time evolution data to distance distributions

G Jeschke, A Koch, U Jonas, A Godt - Journal of magnetic resonance, 2002 - Elsevier
Shallow electron spin echo envelope modulations due to dipole–dipole couplings between
electron spins provide information on the radial distribution function of the spins in …

Influence of Lipid/Peptide Hydrophobic Mismatch on the Thickness of Diacylphosphatidylcholine Bilayers. A 2H NMR and ESR Study Using Designed …

MRR de Planque, DV Greathouse, RE Koeppe… - Biochemistry, 1998 - ACS Publications
We have investigated the effect of a series of hydrophobic polypeptides (WALP peptides) on
the mean hydrophobic thickness of (chain-perdeuterated) phosphatidylcholines (PCs) with …

Determination of the nanostructure of polymer materials by electron paramagnetic resonance spectroscopy

G Jeschke - Macromolecular rapid communications, 2002 - Wiley Online Library
Electron paramagnetic resonance (EPR) spectroscopy is one the few methods that can
characterize structural features in the range between 0.5 and 5 nm in systems that lack long …

Optimal Tikhonov regularization for DEER spectroscopy

TH Edwards, S Stoll - Journal of Magnetic Resonance, 2018 - Elsevier
Tikhonov regularization is the most commonly used method for extracting distance
distributions from experimental double electron-electron resonance (DEER) spectroscopy …

Antimicrobial peptide potency is facilitated by greater conformational flexibility when binding to gram-negative bacterial inner membranes

SBTA Amos, LS Vermeer, PM Ferguson, J Kozlowska… - Scientific reports, 2016 - nature.com
The interaction of antimicrobial peptides (AMPs) with the inner membrane of Gram-negative
bacteria is a key determinant of their abilities to exert diverse bactericidal effects. Here we …

Zwitterionic phospholipids and sterols modulate antimicrobial peptide-induced membrane destabilization

AJ Mason, A Marquette, B Bechinger - Biophysical journal, 2007 - cell.com
Cationic amphipathic α-helical peptides preferentially disrupt anionic lipids in mixed model
membranes, potentially causing a catastrophic release of the cell contents or attenuation of …

Structural determinants of antimicrobial and antiplasmodial activity and selectivity in histidine-rich amphipathic cationic peptides

AJ Mason, W Moussaoui, T Abdelrahman… - Journal of Biological …, 2009 - ASBMB
Designed histidine-rich amphipathic cationic peptides, such as LAH4, have enhanced
membrane disruption and antibiotic properties when the peptide adopts an alignment …