Search Results - "Einarsdóttir, Ólöf"

CO impedes superfast O₂ binding in ba₃ cytochrome oxidase from Thermus thermophilus by Szundi, Istvan, Funatogawa, Chie, Fee, James A, Soulimane, Tewfik, Einarsdóttir, Ólöf

“…Kinetic studies of heme-copper terminal oxidases using the CO flow-flash method are potentially compromised by the fate of the photodissociated CO. In this…”
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Synthesis of a Cyclic Pentapeptide Mimic of the Active Site His-Tyr Cofactor of Cytochrome c Oxidase by Mahoney, Maximillian E, Oliver, Allen, Einarsdóttir, Ólöf, Konopelski, Joseph P

“…Arylboronic acid based technology provides a mild, regioselective, and nontoxic N-arylation procedure for accessing the unusual N-arylated side chain histidine…”
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The CO Photodissociation and Recombination Dynamics of the W172Y/F282T Ligand Channel Mutant of Rhodobacter sphaeroides aa3 Cytochrome c Oxidase by Cassano, Jennifer A., Choi, Sylvia K., McDonald, William, Szundi, Istvan, Villa Gawboy, Terra R., Gennis, Robert B., Einarsdóttir, Ólöf

“…In the ligand channel of the cytochrome c oxidase from Rhodobacter sphaeroides (Rs aa3) W172 and F282 have been proposed to generate a constriction that may…”
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Role of the Conserved Valine 236 in Access of Ligands to the Active Site of Thermus thermophilus ba 3 Cytochrome Oxidase by Funatogawa, Chie, Li, Yang, Chen, Ying, McDonald, William, Szundi, Istvan, Fee, James A, Stout, C. David, Einarsdóttir, Ólöf

“…Knowledge of the role of conserved residues in the ligand channel of heme-copper oxidases is critical for understanding how the protein scaffold modulates the…”
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Ligand Access to the Active Site in Thermus thermophilus ba 3 and Bovine Heart aa 3 Cytochrome Oxidases by McDonald, William, Funatogawa, Chie, Li, Yang, Szundi, Istvan, Chen, Ying, Fee, James A, Stout, C. David, Einarsdóttir, Ólöf

“…Knowledge of the structure and dynamics of the ligand channel(s) in heme-copper oxidases is critical for understanding how the protein environment modulates…”
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Kinetics and Intermediates of the Reaction of Fully Reduced Escherichia coli bo 3 Ubiquinol Oxidase with O2 by Szundi, Istvan, Kittredge, Clive, Choi, Sylvia K, McDonald, William, Ray, Jayashree, Gennis, Robert B, Einarsdóttir, Ólöf

“…Cytochrome bo 3 ubiquinol oxidase from Escherichia coli catalyzes the reduction of O2 to water by ubiquinol. The reaction mechanism and the role of ubiquinol…”
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Conserved glycine 232 in the ligand channel of ba3 cytochrome oxidase from Thermus thermophilus by McDonald, William, Funatogawa, Chie, Li, Yang, Chen, Ying, Szundi, Istvan, Fee, James A, Stout, C David, Einarsdóttir, Olöf

“…Knowing how the protein environment modulates ligand pathways and redox centers in the respiratory heme-copper oxidases is fundamental for understanding the…”
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Solvent Effects on the Physicochemical Properties of the Cross-Linked Histidine−Tyrosine Ligand of Cytochrome c Oxidase by McDonald, William J, Einarsdóttir, Ólöf

“…Density functional theory was used to explore the effects of aqueous solvation on the structure, vibrational frequencies, and the electronic absorption…”
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Spectral Identification of Intermediates Generated during the Reaction of Dioxygen with the Wild-Type and EQ(I-286) Mutant of Rhodobacter sphaeroides Cytochrome c Oxidase by Szundi, Istvan, Funatogawa, Chie, Cassano, Jennifer, McDonald, William, Ray, Jayashree, Hiser, Carrie, Ferguson-Miller, Shelagh, Gennis, Robert B, Einarsdóttir, Ólöf

“…Cytochrome c oxidase from Rhodobacter sphaeroides is frequently used to model the more complex mitochondrial enzyme. The O2 reduction in both enzymes is…”
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Biophysical Characterization of α-Synuclein and Rotenone Interaction by Silva, Blanca A, Einarsdóttir, Olöf, Fink, Anthony L, Uversky, Vladimir N

“…Previous studies revealed that pesticides interact with α-synuclein and accelerate the rate of fibrillation. These results are consistent with the prevailing…”
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Conserved Glycine 232 in the Ligand Channel of ba 3 Cytochrome Oxidase from Thermus thermophilus by McDonald, William, Funatogawa, Chie, Li, Yang, Chen, Ying, Szundi, Istvan, Fee, James A, Stout, C. David, Einarsdóttir, Ólöf

“…Knowing how the protein environment modulates ligand pathways and redox centers in the respiratory heme-copper oxidases is fundamental for understanding the…”
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Solvent Effects on the Vibrational Frequencies of the Phenolate Anion, the para-Cresolate Anion, and Their Radicals by McDonald, William J, Einarsdóttir, Ólöf

“…The effects of aqueous solvation on the structure and vibrational frequencies of phenol, para-cresol, and their respective radicals are calculated at the…”
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A New Approach for Studying Fast Biological Reactions Involving Nitric Oxide: Generation of NO Using Photolabile Ruthenium and Manganese NO Donors by Szundi, Istvan, Rose, Michael J., Sen, Indranil, Eroy-Reveles, Aura A., Mascharak, Pradip K., Einarsdóttir, Ólöf

“…Nitric oxide (NO) is recognized as one of the major players in various biochemical processes, including blood pressure, neurotransmission and immune responses…”
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Modeling the Active Site of Cytochrome Oxidase:  Synthesis and Characterization of a Cross-Linked Histidine−Phenol by Cappuccio, Jenny A, Ayala, Idelisa, Elliott, Gregory I, Szundi, Istvan, Lewis, James, Konopelski, Joseph P, Barry, Bridgette A, Einarsdóttir, Ólöf

“…A cross-linked histidine−phenol compound was synthesized as a chemical analogue of the active site of cytochrome c oxidase. The structure of the cross-linked…”
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Time-resolved optical absorption studies of cytochrome oxidase dynamics by Einarsdóttir, Ólöf, Szundi, Istvan

“…Time-resolved spectroscopic studies in our laboratory of bovine heart cytochrome c oxidase dynamics are summarized. Intramolecular electron transfer was…”
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Flash-Photolysis of Fully Reduced and Mixed-Valence CO-Bound Rhodobacter sphaeroides Cytochrome c Oxidase:  Heme Spectral Shifts by Szundi, Istvan, Ray, Jayashree, Pawate, Ashtamurthy, Gennis, Robert B, Einarsdóttir, Ólöf

“…Conformational changes, internal electron transfer, and CO rebinding processes in cytochrome c oxidase from Rhodobacter sphaeroides reduced to different…”
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A Spectroscopic Investigation of a Tridentate Cu-Complex Mimicking the Tyrosine−Histidine Cross-Link of Cytochrome c Oxidase by Offenbacher, Adam, White, Kimberly N, Sen, Indranil, Oliver, Allen G, Konopelski, Joseph P, Barry, Bridgette A, Einarsdóttir, Ólöf

“…Heme−copper oxidases have a crucial role in the energy transduction mechanism, catalyzing the reduction of dioxygen to water. The reduction of dioxygen takes…”
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Biophysical Characterization of [alpha]-Synuclein and Rotenone Interaction by Silva, Blanca A, Einarsdóttir, Ólöf, Fink, Anthony L, Uversky, Vladimir N

“…Previous studies revealed that pesticides interact with α-synuclein and accelerate the rate of fibrillation. These results are consistent with the prevailing…”
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Photoreactions of Cytochrome c Oxidase by Winterle, John S., Einarsdóttir, Ólöf

“…The photoreduction of oxidized bovine heart cytochrome c oxidase (CcO) by visible and UV radiation was investigated in the absence and presence of external…”
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pH Dependence of the Reduction of Dioxygen to Water by Cytochrome c Oxidase. 1. The PR State Is a pH-Dependent Mixture of Three Intermediates, A, P, and F by VAN EPS, Ned, SZUNDI, Istvan, EINARSDóTTIR, Ólöf

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