Search Results - "Choi, Sylvia K."
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The three-spin intermediate at the O-O cleavage and proton-pumping junction in heme-Cu oxidases
Published in Science (American Association for the Advancement of Science) (10-09-2021)“…Understanding the mechanistic coupling of molecular oxygen reduction and proton pumping for adenosine triphosphate synthesis during cellular respiration is the…”
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2
Evidence for Distinct Electron Transfer Processes in Terminal Oxidases from Different Origin by Means of Protein Film Voltammetry
Published in Journal of the American Chemical Society (06-08-2014)“…Cytochrome aa 3 from Paracoccus denitrificans and cytochrome ba 3 from Thermus thermophilus, two distinct members of the heme–copper oxidase superfamily, were…”
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3
Escherichia coli auxotroph host strains for amino acid-selective isotope labeling of recombinant proteins
Published in Methods in enzymology (2015)“…Enrichment of proteins with isotopes such as (2)H, (15)N, and (13)C is commonly carried out in magnetic resonance and vibrational spectroscopic…”
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4
Direct electrochemistry of cytochrome bo3 oxidase at a series of gold nanoparticles-modified electrodes
Published in Electrochemistry communications (01-01-2013)“…New membrane-protein based electrodes were prepared incorporating cytochrome bo3 from Escherichiacoli and gold nanoparticles. Direct electron transfer between…”
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5
Cryo-EM structures of Escherichia coli cytochrome bo₃ reveal bound phospholipids and ubiquinone-8 in a dynamic substrate binding site
Published in Proceedings of the National Academy of Sciences - PNAS (24-08-2021)“…Two independent structures of the proton-pumping, respiratory cytochrome bo₃ ubiquinol oxidase (cyt bo₃) have been determined by cryogenic electron microscopy…”
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6
Exploring the proton pump and exit pathway for pumped protons in cytochrome ba3 from Thermus thermophilus
Published in Proceedings of the National Academy of Sciences - PNAS (03-04-2012)“…The heme-copper oxygen reductases are redox-driven proton pumps. In the current work, the effects of mutations in a proposed exit pathway for pumped protons…”
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7
Role of the tightly bound quinone for the oxygen reaction of cytochrome bo3 oxidase from Escherichia coli
Published in FEBS letters (01-10-2018)“…The coupling of the reaction of a tightly bound ubiquinone with the reduction of O2 in cytochrome bo3 of Escherichia coli was investigated. In the absence of…”
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8
Location of the Substrate Binding Site of the Cytochrome bo3 Ubiquinol Oxidase from Escherichia coli
Published in Journal of the American Chemical Society (21-06-2017)“…Cytochrome bo3 is a respiratory proton-pumping oxygen reductase that is a member of the heme-copper superfamily that utilizes ubiquinol-8 (Q8H2) as a…”
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9
Cryo-EM structures of Escherichia coli cytochrome bo 3 reveal bound phospholipids and ubiquinone-8 in a dynamic substrate binding site
Published in Proceedings of the National Academy of Sciences - PNAS (24-08-2021)“…Two independent structures of the proton-pumping, respiratory cytochrome ubiquinol oxidase (cyt ) have been determined by cryogenic electron microscopy…”
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10
Role of the tightly bound quinone for the oxygen reaction of cytochrome bo 3 oxidase from Escherichia coli
Published in FEBS letters (01-10-2018)“…The coupling of the reaction of a tightly bound ubiquinone with the reduction of O in cytochrome bo of Escherichia coli was investigated. In the absence of the…”
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11
Searching for the low affinity ubiquinone binding site in cytochrome bo3 from Escherichia coli
Published in Biochimica et biophysica acta. Bioenergetics (01-05-2017)“…The cytochrome bo3 ubiquinol oxidase is one of three respiratory oxygen reductases in the aerobic respiratory chain of Escherichia coli. The generally accepted…”
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12
Location of the Substrate Binding Site of the Cytochrome bo 3 Ubiquinol Oxidase from Escherichia coli
Published in Journal of the American Chemical Society (21-06-2017)“…Cytochrome bo 3 is a respiratory proton-pumping oxygen reductase that is a member of the heme-copper superfamily that utilizes ubiquinol-8 (Q8H2) as a…”
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13
Kinetics and Intermediates of the Reaction of Fully Reduced Escherichia coli bo 3 Ubiquinol Oxidase with O2
Published in Biochemistry (Easton) (26-08-2014)“…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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14
Direct Electrochemistry of Cytochrome bo Oxidase at a series of Gold Nanoparticles-Modified Electrodes
Published in Electrochemistry communications (01-01-2013)“…New membrane-protein based electrodes were prepared incorporating cytochrome bo(3) from E. coli and gold nanoparticles. Direct electron transfer between the…”
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15
The CO Photodissociation and Recombination Dynamics of the W172Y/F282T Ligand Channel Mutant of Rhodobacter sphaeroides aa3 Cytochrome c Oxidase
Published in Photochemistry and photobiology (01-05-2016)“…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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16
Interactions of Intermediate Semiquinone with Surrounding Protein Residues at the QH Site of Wild-Type and D75H Mutant Cytochrome bo 3 from Escherichia coli
Published in Biochemistry (Easton) (08-05-2012)“…Selective 15N isotope labeling of the cytochrome bo 3 ubiquinol oxidase from Escherichia coli with auxotrophs was used to characterize the hyperfine couplings…”
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17
Role of the tightly bound quinone for the oxygen reaction of cytochrome oxidase from
Published in FEBS letters (01-10-2018)“…The coupling of the reaction of a tightly bound ubiquinone with the reduction of O2 in cytochrome bo3 of Escherichia coli was investigated. In the absence of…”
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18
Searching for the low affinity ubiquinone binding site in cytochrome bo 3 from Escherichia coli
Published in Biochimica et biophysica acta. Bioenergetics (01-05-2017)“…The cytochrome bo ubiquinol oxidase is one of three respiratory oxygen reductases in the aerobic respiratory chain of Escherichia coli. The generally accepted…”
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19
Exploring the proton pump and exit pathway for pumped protons in cytochrome ba 3 from Thermus thermophilus
Published in Proceedings of the National Academy of Sciences - PNAS (03-04-2012)“…The heme-copper oxygen reductases are redox-driven proton pumps. In the current work, the effects of mutations in a proposed exit pathway for pumped protons…”
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Journal Article -
20
Kinetics and Intermediates of the Reaction of Fully Reduced Escherichia coli bo 3 Ubiquinol Oxidase with O 2
Published in Biochemistry (Easton) (26-08-2014)Get full text
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