Results 21 to 30 of about 766,171 (290)
Site-specific structural order in Alzheimer's Aβ42 fibrils [PDF]
Royal Society Open Science, 2018 Deposition of amyloid fibrils is a pathological hallmark of Alzheimer's disease. Aβ42 is the major protein whose aggregation leads to the formation of these fibrils.
Hongsu Wang +3 more
doaj +1 more source
RosettaEPR: rotamer library for spin label structure and dynamics. [PDF]
PLoS ONE, 2013 An increasingly used parameter in structural biology is the measurement of distances between spin labels bound to a protein. One limitation to these measurements is the unknown position of the spin label relative to the protein backbone. To overcome this
Nathan S Alexander +5 more
doaj +1 more source
Analytical Biochemistry, 2008 Lipopolysaccharide (LPS), a major component of the outer membranes of gram-negative bacteria, is composed of a polysaccharide chain attached to a lipid A base that contains a disaccharide headgroup with two negative phosphate groups and at least four acyl chains.
Lynn E, Bretscher +2 more
openaire +2 more sources
chiLife: An open-source Python package for in silico spin labeling and integrative protein modeling.
PLoS Computational Biology, 2023 Here we introduce chiLife, a Python package for site-directed spin label (SDSL) modeling for electron paramagnetic resonance (EPR) spectroscopy, in particular double electron-electron resonance (DEER).
Maxx H Tessmer, Stefan Stoll
doaj +1 more source
Spin-labeled polyribonucleotides [PDF]
Nucleic Acids Research, 1980 Poly (U), poly (C) and poly (A) were spin labeled with N-(2,2,5,5-tetramethyl-3-carbonylpyrroline-1-oxyl)-imidazole. This spin label interacts selectively with 2' OH ribose groups of polynucleotides and does not modify the nucleic acid bases. The extent of spin labeling is not dependent upon the nature of the base and is entirely determined by rigidity
A I, Petrov, B I, Sukhorukov
openaire +2 more sources
MODELS OF SPIN TORQUE USING SELF-CONSISTENT SOLUTIONS OF THE MAGNETISATION AND SPIN ACCUMULATION [PDF]
, 2013 A model of spin accumulation (m) is proposed to develop theoretical approaches to calculate the m in any arbitrary magnetic structure. The model is based on generalising the approach of Zhang, Levy and Fert (PRL 88, 236601, 2002).
Chureemart, Phanwadee
core +6 more sources
Molecular Oxygen as a Probe Molecule in EPR Spin Labeling Studies of Membrane Structure and Dynamics
Oxygen, 2022 Molecular oxygen (O2) is the perfect probe molecule for membrane studies carried out using the saturation recovery EPR technique. O2 is a small, paramagnetic, hydrophobic enough molecule that easily partitions into a membrane’s different phases and ...
Witold K. Subczynski +3 more
doaj +1 more source
Structural Impact of Selected Retinoids on Model Photoreceptor Membranes
Membranes, 2023 Photoreceptor membranes have a unique lipid composition. They contain a high level of polyunsaturated fatty acids including the most unsaturated fatty acid in nature, docosahexaenoic acid (22:6), and are enriched in phosphatidylethanolamines.
Szymon Radzin +8 more
doaj +1 more source
Thermostimulated crystal structure transformation of the polymineral clay submicron particles
Cerâmica, 2022 Changes in the structure of phyllosilicate microparticles of submicron fractions of polymineral clay with an average size of 290 nm, as well as changes in the positions of impurity ions of transition metals in the crystal lattice, were studied by X-ray ...
A. G. Chetverikova +4 more
doaj +1 more source
Electron Spin Relaxation of Photoexcited Porphyrin in Water—Glycerol Glass
Molecules, 2020 Recently, the photoexcited triplet state of porphyrin was proposed as a promising spin-label for pulsed dipolar electron paramagnetic resonance (EPR).
Natalya Sannikova +5 more
doaj +1 more source