Electron Spin Resonance Spectroscopy
-
Subject Areas on Research
-
31P NMR probes of chemical dynamics: paramagnetic relaxation enhancement of the (1)H and (31)P NMR resonances of methyl phosphite and methylethyl phosphate anions by selected metal complexes.
-
57Fe and 1H electron-nuclear double resonance of three doubly reduced states Escherichia coli sulfite reductase.
-
A carbon monoxide irreducible form of cytochrome c oxidase and other unusual properties of the "monomeric" shark enzyme.
-
A comparative study of antioxidative activities of cell-wall polysaccharides.
-
A hot oxidant, 3-NO2Y122 radical, unmasks conformational gating in ribonucleotide reductase.
-
A molybdopterin-free form of xanthine oxidase.
-
A new irreversibly inhibited form of xanthine oxidase from ethylisonitrile.
-
A new monofluorinated phosphatidylcholine forms interdigitated bilayers.
-
Activated conformers of Escherichia coli sulfite reductase heme protein subunit.
-
Alkaline low spin form of sulfite reductase hemeprotein subunit.
-
An electron spin resonance study of cholestane spin label in aqueous mixtures of biliary lipids.
-
An iron tetrahydroporphyrin prosthetic group common to both assimilatory and dissimilatory sulfite reductases.
-
Apolipoprotein C-III/sphingomyelin recombinants: formation, isolation, and characterization.
-
Assays to measure plasma membrane and cytoskeletal changes in interferon-treated cells.
-
Association of molybdopterin guanine dinucleotide with Escherichia coli dimethyl sulfoxide reductase: effect of tungstate and a mob mutation.
-
Bioavailability and catalytic properties of copper and iron for Fenton chemistry in human cerebrospinal fluid.
-
Biochemical and structural insights into bacterial organelle form and biogenesis.
-
Characterisation of PduS, the pdu metabolosome corrin reductase, and evidence of substructural organisation within the bacterial microcompartment.
-
Characterization of complexes between Escherichia coli sulfite reductase hemoprotein subunit and its substrates sulfite and nitrite.
-
Characterization of the flavoprotein moieties of NADPH-sulfite reductase from Salmonella typhimurium and Escherichia coli. Physicochemical and catalytic properties, amino acid sequence deduced from DNA sequence of cysJ, and comparison with NADPH-cytochrome P-450 reductase.
-
Characterization of two different five-coordinate soluble guanylate cyclase ferrous-nitrosyl complexes.
-
Computational de novo design and characterization of a four-helix bundle protein that selectively binds a nonbiological cofactor.
-
Confirmation of the involvement of protein domain movement during the catalytic cycle of the cytochrome bc1 complex by the formation of an intersubunit disulfide bond between cytochrome b and the iron-sulfur protein.
-
Conformationally distinct five-coordinate heme-NO complexes of soluble guanylate cyclase elucidated by multifrequency electron paramagnetic resonance (EPR).
-
Construction of a novel redox protein by rational design: conversion of a disulfide bridge into a mononuclear iron-sulfur center.
-
Construction of new ligand binding sites in proteins of known structure. II. Grafting of a buried transition metal binding site into Escherichia coli thioredoxin.
-
Converting a maltose receptor into a nascent binuclear copper oxygenase by computational design.
-
Copper-chelatin: isolation from various eucaryotic sources.
-
Copper-chelatin: purification and properties of a copper-binding protein from rat liver.
-
Cupric-amyloid beta peptide complex stimulates oxidation of ascorbate and generation of hydroxyl radical.
-
Detection of hydrogen atom adduct of spin-trap DEPMPO. The relevance for studies of biological systems.
-
Different roles of radical scavengers--ascorbate and urate in the cerebrospinal fluid of amyotrophic lateral sclerosis patients.
-
Direct and cost-efficient hyperpolarization of long-lived nuclear spin states on universal 15N2-diazirine molecular tags
-
Effects of genistein and daidzein on erythrocyte membrane fluidity: an electron paramagnetic resonance study.
-
Electron paramagnetic resonance and optical evidence for interaction between siroheme and Fe4S4 prosthetic groups in complexes of Escherichia coli sulfite reductase hemoprotein with added ligands.
-
Electron paramagnetic resonance and optical spectroscopic evidence for interaction between siroheme and Fe4S4 prosthetic groups in Escherichia coli sulfite reductase hemoprotein subunit.
-
Electron paramagnetic resonance and potentiometric studies of arsenite interaction with the molybdenum centers of xanthine oxidase, xanthine dehydrogenase, and aldehyde oxidase: a specific stabilization of the molybdenum(V) oxidation state.
-
Electron paramagnetic resonance of the tungsten derivative of rat liver sulfite oxidase.
-
Electron paramagnetic resonance properties and oxidation-reduction potentials of the molybdenum, flavin, and iron-sulfur centers of chicken liver xanthine dehydrogenase.
-
Electron paramagnetic resonance studies of iron reduction and semiquinone formation in metalloflavoproteins.
-
Electron paramagnetic resonance studies on the molybdenum center of assimilatory NADH:nitrate reductase from Chlorella vulgaris.
-
Electronic structure of a paramagnetic {MNO}6 complex: MnNO 5,5-tropocoronand.
-
Elucidation of a [4Fe-4S] cluster degradation pathway: rapid kinetic studies of the degradation of Chromatium vinosum HiPIP.
-
Escherichia coli sulfite reductase hemoprotein subunit. Prosthetic groups, catalytic parameters, and ligand complexes.
-
Evidence for formation of superoxide and formate radicals in Methanobacterium formicicum.
-
Evidence for siroheme-Fe4S4 interaction in spinach ferredoxin-sulfite reductase.
-
Evidence for the inorganic nature of the cyanolyzable sulfur of molybdenum hydroxylases.
-
Evidence for the intertwined dimer of the cytochrome bc(1) complex in solution.
-
Fe3+ coordination and redox properties of a bacterial transferrin.
-
Formate dehydrogenase from Methanobacterium formicicum. Electron paramagnetic resonance spectroscopy of the molybdenum and iron-sulfur centers.
-
Free radicals and antioxidants at a glance using EPR spectroscopy.
-
Free radicals formed by exposure of pyrimidine solids to sodium atoms: an electron spin resonance study.
-
Functional evaluation of nonphagocytic NAD(P)H oxidases.
-
Glutamate 350 Plays an Essential Role in Conformational Gating of Long-Range Radical Transport in Escherichia coli Class Ia Ribonucleotide Reductase.
-
Hepatic sulfite oxidase. Congruency in mitochondria of prosthetic groups and activity.
-
Hepatic sulfite oxidase. Effect of anions on interaction with cytochrome c.
-
Hepatic sulfite oxidase. Identification of the molybdenum center as the site of irreversible inactivation by ferricyanide.
-
How can a single second sphere amino acid substitution cause reduction midpoint potential changes of hundreds of millivolts?
-
Huntington disease and Tourette syndrome. I. Electron spin resonance of bed ghosts.
-
Identification and characterization of the enzymatic activity of zeta-crystallin from guinea pig lens. A novel NADPH:quinone oxidoreductase.
-
Identification of a molybdopterin-containing molybdenum cofactor in xanthine dehydrogenase from Pseudomonas aeruginosa.
-
Identification of quinone-binding and heme-ligating residues of the smallest membrane-anchoring subunit (QPs3) of bovine heart mitochondrial succinate:ubiquinone reductase.
-
Identification of the iron-sulfur center of spinach ferredoxin-nitrite reductase as a tetranuclear center, and preliminary EPR studies of mechanism.
-
Improved excitation pulse bandwidths using shaped pulses, with application to heteronuclear half filters in macromolecular NMR.
-
Inactivation of bacteriophages via photosensitization of fullerol nanoparticles.
-
Interaction of spin-labeled nicotinamide adenine dinucleotide phosphate with chicken liver fatty acid synthase.
-
Internal electron transfer between hemes and Cu(II) bound at cysteine beta93 promotes methemoglobin reduction by carbon monoxide.
-
Investigation of potential gene-gene interactions between APOE and RELN contributing to autism risk.
-
Isolation of the domain containing the molybdenum, iron-sulfur I, and iron-sulfur II centers of chicken liver xanthine dehydrogenase.
-
Isolation, structure, and HIV-1 integrase inhibitory activity of Cytosporic acid, a fungal metabolite produced by a Cytospora sp.
-
Magnetic interactions in milk xanthine oxidase.
-
Magnetic resonance angiography with hyperpolarized 129Xe dissolved in a lipid emulsion.
-
Magnetization of the sulfite and nitrite complexes of oxidized sulfite and nitrite reductases: EPR silent spin S = 1/2 states.
-
Mechanism of Reduction of an Aminyl Radical Intermediate in the Radical SAM GTP 3',8-Cyclase MoaA.
-
Mechanism of fast protein folding.
-
Mechanisms of inactivation of molybdoenzymes by cyanide.
-
Mechanistic study on the reaction of a radical SAM dehydrogenase BtrN by electron paramagnetic resonance spectroscopy.
-
Membrane protein organization of peripheral blood lymphocytes from healthy young and aged adults.
-
Metal sites of copper-zinc superoxide dismutase.
-
Molecular basis of the biological function of molybdenum. Effect of tungsten on xanthine oxidase and sulfite oxidase in the rat.
-
Molecular basis of the biological function of molybdenum. Molybdenum-free sulfite oxidase from livers of tungsten-treated rats.
-
Molecular basis of the biological function of molybdenum. Molybdenum-free xanthine oxidase from livers of tungsten-treated rats.
-
Mössbauer evidence for exchange-coupled siroheme and [4Fe-4S] prosthetic groups in Escherichia coli sulfite reductase. Studies of the reduced states and of a nitrite turnover complex.
-
Mössbauer spectroscopic studies of Escherichia coli sulfite reductase. Evidence for coupling between the siroheme and Fe4S4 cluster prosthetic groups.
-
Mössbauer studies of Escherichia coli sulfite reductase complexes with carbon monoxide and cyanide. Exchange coupling and intrinsic properties of the [4Fe-4S] cluster.
-
Nitric oxide interactions with cobalamins: biochemical and functional consequences.
-
Nitric oxide synthase inhibitors decrease coronary sinus-free radical concentration and ameliorate myocardial stunning in an ischemia-reperfusion model.
-
Nitric-oxide synthase output state. Design and properties of nitric-oxide synthase oxygenase/FMN domain constructs.
-
Nitroxide conjugate of a thermally responsive elastin-like polypeptide for noninvasive thermometry.
-
Nonequivalence of the flavin adenine dinucleotide moieties of chicken liver xanthine dehydrogenase.
-
Observation of 17O effects on MoV EPR spectra in sulfite oxidase, xanthine dehydrogenase, and MoO(SC6H5)4-.
-
On the reaction of ferric heme proteins with nitrite and sulfite.
-
One-stop-shop tumor imaging: buy hypoxia, get lactate free.
-
Optical and electron paramagnetic resonance spectroscopic studies on purine hydroxylase II from Aspergillus nidulans.
-
Oxygen binding to partially nitrosylated hemoglobin.
-
Paradigm Shift for Radical S-Adenosyl-l-methionine Reactions: The Organometallic Intermediate Ω Is Central to Catalysis.
-
Photoionization thresholds of melanins obtained from free electron laser-photoelectron emission microscopy, femtosecond transient absorption spectroscopy and electron paramagnetic resonance measurements of oxygen photoconsumption.
-
Properties of the prosthetic groups of rabbit liver aldehyde oxidase: a comparison of molybdenum hydroxylase enzymes.
-
Pulsed EPR studies of nonexchangeable protons near the Mo(V) center of sulfite oxidase: direct detection of the alpha-proton of the coordinated cysteinyl residue and structural implications for the active site.
-
Pulsed EPR studies of the exchangeable proton at the molybdenum center of dimethyl sulfoxide reductase.
-
Purification and properties of sulfite oxidase from chicken liver. Presence of molybdenum in sulfite oxidase from diverse sources.
-
Recombinant Rhodobacter capsulatus xanthine dehydrogenase, a useful model system for the characterization of protein variants leading to xanthinuria I in humans.
-
Redox properties of human hemoglobin in complex with fractionated dimeric and polymeric human haptoglobin.
-
Redox properties of human transferrin bound to its receptor.
-
STRUCTURE AND FUNCTION OF IRON-FLAVOPROTEINS.
-
Specificity of biochemical and biophysical tests in Duchenne and myotonic muscular dystrophy, carrier states, and congenital myotonia.
-
Spectroscopic studies of the molybdenum-containing dimethyl sulfoxide reductase from Rhodobacter sphaeroides f. sp. denitrificans.
-
Structures of the siroheme- and Fe4S4-containing active center of sulfite reductase in different states of oxidation: heme activation via reduction-gated exogenous ligand exchange.
-
Studies of aldehyde oxidase by electron paramagnetic resonance spectroscopy. I. Spectra at equilibrium states.
-
Studies of aldehyde oxidase by electron paramagnetic resonance spectroscopy. II. Kinetic studies by rapid freezing.
-
Studies of the copper and heme cofactors of pseudomonad L-tryptophan-2,3-dioxygenase by electron paramagnetic resonance spectroscopy.
-
Studies of vanadium toxicity in the rat. Lack of correlation with molybdenum utilization.
-
The case of the missing NO-hemoglobin: spectral changes suggestive of heme redox reactions reflect changes in NO-heme geometry.
-
The influence of the synergistic anion on iron chelation by ferric binding protein, a bacterial transferrin.
-
The interaction of arsenite with the molybdenum center of chicken liver xanthine dehydrogenase.
-
The mechanism of conversion of rat liver xanthine dehydrogenase from an NAD+-dependent form (type D) to an O2-dependent form (type O).
-
The nature of the axial ligands of spinach cytochrome.
-
The nature of the nitric oxide complexes of lipoxygenase.
-
The negative effect of soy extract on erythrocyte membrane fluidity: an electron paramagnetic resonance study.
-
The nitric oxide donor S-nitroso-N-acetylpenicillamine (SNAP) increases free radical generation and degrades left ventricular function after myocardial ischemia-reperfusion.
-
The nitric oxide synthase inhibitor N(G)-nitro-L-arginine decreases defibrillation-induced free radical generation.
-
The nitric oxide synthase inhibitor N(G)-nitro-L-arginine decreases defibrillation-induced free radical generation.
-
The partially reduced species present in purified cytochrome oxidase from baker's yeast is cytochrome a.
-
The potential physiological implications of polygalacturonic acid-mediated production of superoxide.
-
The role of molybdenum in xanthine oxidase and related enzymes. Reactivity with cyanide, arsenite, and methanol.
-
The site of the redox-linked proton pump in eukaryotic cytochrome c oxidases.
-
Tissue relaxation time: in vivo field dependence.
-
Total reconstitution of copper-zinc superoxide dismutase.
-
Tryptic cleavage of rat liver sulfite oxidase. Isolation and characterization of molybdenum and heme domains.
-
Tumor vascular permeability to a nanoprobe correlates to tumor-specific expression levels of angiogenic markers.
-
Using alpha-helical coiled-coils to design nanostructured metalloporphyrin arrays.