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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

http://www.wikidata.org/entity/Q32057547

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Three toxic gases meet in the mitochondria Bovine cytochrome c oxidase structures enable O 2 reduction with minimization of reactive oxygens and provide a proton-pumping gate Copper active sites in biology Functional role of Thr-312 and Thr-315 in the proton-transfer pathway in ba3 Cytochrome c oxidase from Thermus thermophilus.Exploring pathways and barriers for coupled ET/PT in cytochrome c oxidase: a general framework for examining energetics and mechanistic alternatives.Synthesis of a cyclic pentapeptide mimic of the active site His-Tyr cofactor of cytochrome c oxidase Binding and docking interactions of NO, CO and O₂in heme proteins as probed by density functional theory CO impedes superfast O2 binding in ba3 cytochrome oxidase from Thermus thermophilus How hydrogen peroxide is metabolized by oxidized cytochrome c oxidase Model studies of the histidine-tyrosine cross-link in cytochrome C oxidase reveal the flexible substituent effect of the imidazole moiety.Partial steps of charge translocation in the nonpumping N139L mutant of Rhodobacter sphaeroides cytochrome c oxidase with a blocked D-channel.Natural engineering principles of electron tunnelling in biological oxidation-reduction.Heme-copper-dioxygen complexes: toward understanding ligand-environmental effects on the coordination geometry, electronic structure, and reactivity.Effect of calcium on the oxidative phosphorylation cascade in skeletal muscle mitochondria The nature and mechanism of superoxide production by the electron transport chain: Its relevance to aging.Conserved glycine 232 in the ligand channel of ba3 cytochrome oxidase from Thermus thermophilus.Proton translocation in cytochrome c oxidase: insights from proton exchange kinetics and vibrational spectroscopy.Plasticity of proton pathways in haem-copper oxygen reductases.The role of copper and protons in heme-copper oxidases: kinetic study of an engineered heme-copper center in myoglobin.Direct observation of protonation reactions during the catalytic cycle of cytochrome c oxidase Entrance of the proton pathway in cbb3-type heme-copper oxidases.Electronic structure of a low-spin heme/Cu peroxide complex: spin-state and spin-topology contributions to reactivity.Design of photoactive ruthenium complexes to study electron transfer and proton pumping in cytochrome oxidase The catalytic cycle of cytochrome c oxidase is not the sum of its two halves.On the role of the K-proton transfer pathway in cytochrome c oxidase.Radical formation in cytochrome c oxidase How does cytochrome oxidase pump protons?How oxygen is activated and reduced in respiration Two tyrosyl radicals stabilize high oxidation states in cytochrome C oxidase for efficient energy conservation and proton translocation.Electrocatalytic O2-Reduction by Synthetic Cytochrome c Oxidase Mimics: Identification of a "Bridging Peroxo" Intermediate Involved in Facile 4e(-)/4H(+) O2-Reduction.Spectroscopic elucidation of a new heme/copper dioxygen structure type: implications for O···O bond rupture in cytochrome c oxidase Mass spectrometric determination of dioxygen bond splitting in the "peroxy" intermediate of cytochrome c oxidase.The proton donor for O-O bond scission by cytochrome c oxidase A spectroscopic investigation of a tridentate Cu-complex mimicking the tyrosine-histidine cross-link of cytochrome C oxidase.Density functional study for the bridged dinuclear center based on a high-resolution X-ray crystal structure of ba3 cytochrome c oxidase from Thermus thermophilus.Direct EPR observation of a tyrosyl radical in a functional oxidase model in myoglobin during both H2O2 and O2 reactions.Guidelines for tunneling in enzymes.Photosynthetic water oxidation vs. mitochondrial oxygen reduction: distinct mechanistic parallels.Photoinduced proton-coupled electron transfers in biorelevant phenolic systems.Probing protonation/deprotonation of tyrosine residues in cytochrome ba3 oxidase from Thermus thermophilus by time-resolved step-scan Fourier transform infrared spectroscopy.

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P2860

Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

http://www.wikidata.org/entity/Q32057547

description

1998 nî lūn-bûn

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1998 թուականի Յուլիսին հրատարակուած գիտական յօդուած

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1998 թվականի հուլիսին հրատարակված գիտական հոդված

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1998年の論文

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1998年論文

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1998年論文

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1998年論文

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1998年論文

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1998年論文

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1998年论文

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name

Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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Proceedings of the National Academy of Sciences of the United States of America

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Dioxygen activation and bond cleavage by mixed-valence cytochrome c oxidase

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D A Proshlyakov

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G T Babcock

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M A Pressler

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P2860

Structure at 2.7 A resolution of the Paracoccus denitrificans two-subunit cytochrome c oxidase complexed with an antibody FV fragment

The X-ray crystal structure of the membrane protein prostaglandin H2 synthase-1

The whole structure of the 13-subunit oxidized cytochrome c oxidase at 2.8 A

Proton pump coupled to cytochrome c oxidase in mitochondria

Tyrosyl radicals in enzyme catalysis: some properties and a focus on photosynthetic water oxidation.

Resonance Raman spectra of horseradish peroxidase and bovine liver catalase compound I species. Evidence for predominant 2A2u pi-cation radical ground state configurations.

Direct detection of a dioxygen adduct of cytochrome a3 in the mixed valence cytochrome oxidase/dioxygen reaction.

Characterization of Copper(III)-Tetrapeptide Complexes with Histidine as the Third Residue.

Structure at 2.8 A resolution of cytochrome c oxidase from Paracoccus denitrificans.

Oxygen activation and the conservation of energy in cell respiration.

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