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Correction to: Ascorbate peroxidase in fruits and modulation of its activity by reactive species. [PDF]
J Exp Boteuropepmc +1 more source
MOLECULAR ASPECTS OF ASCORBATE PEROXIDASE ISOZYMES
MOLECULAR ASPECTS OF ASCORBATE PEROXIDASE ISOZYMESopenaire +1 more source
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Catalase-Peroxidases in Cyanobacteria – Similarities and Differences to Ascorbate Peroxidases
Free Radical Research, 1999Cyanobacteria (blue-green algae) are oxygenic phototrophic bacteria carrying out plant-type photosynthesis. The only hydrogen peroxide scavenging enzymes in at least two unicellular species have been demonstrated to be bifunctional cytosolic catalase-peroxidases (CatPXs) having considerable homology at the active site with plant ascorbate peroxidases ...
Florian Rüker +2 more
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Crystal structure of the ascorbate peroxidase–ascorbate complex
Nature Structural & Molecular Biology, 2003Heme peroxidases catalyze the H2O2-dependent oxidation of a variety of substrates, most of which are organic. Mechanistically, these enzymes are well characterized: they share a common catalytic cycle that involves formation of a two-electron, oxidized Compound I intermediate followed by two single-electron reduction steps by substrate.
Sharp, K.H. +3 more
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Common phylogeny of catalase-peroxidases and ascorbate peroxidases
Gene, 2000Catalase-peroxidases belong to Class I of the plant, fungal, bacterial peroxidase superfamily, together with yeast cytochrome c peroxidase and ascorbate peroxidases. Obviously these bifunctional enzymes arose via gene duplication of an ancestral hydroperoxidase. A 230-residues long homologous region exists in all eukaryotic members of Class I, which is
M, Zámocký, S, Janecek, F, Koller
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Ascorbate peroxidase–thioredoxin interaction
Photosynthesis Research, 2006Proteomics data have suggested ascorbate peroxidase (APX) to be a potential thioredoxin-interacting protein. Using recombinant enzymes, we observed that incubation of pea cytosolic APX with reduced poplar thioredoxins h drastically inactivated the peroxidase.
Gelhaye, Éric +5 more
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Cross reactivity between ascorbate peroxidase and phenol (guaiacol) peroxidase
Postharvest Biology and Technology, 2014Abstract Adverse conditions often induce an increase in active oxygen species (AOS) such as hydrogen peroxide (H 2 O 2 ). H 2 O 2 is converted to water, and thus becomes detoxified by enzymes such as ascorbate peroxidase (APX; EC 1.11.1.11). APX activity is estimated by the disappearance rate of ascorbic acid, which becomes oxidized.
Wouter G van Doorn
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Class I Heme Peroxidases: Characterization of Soybean Ascorbate Peroxidase
Archives of Biochemistry and Biophysics, 1998An efficient expression system [D. A. Dalton et al. Arch. Biochem. Biophys. 328, 1-8, 1996) for soybean nodule ascorbate peroxidase (APX) has, for the first time, been used to generate enzyme in large enough quantities for detailed biophysical analysis. The recombinant APX has been characterized by electronic absorption, EPR, NMR and circular dichroism
Jones, DK +3 more
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Cytosolic ascorbate peroxidase in Gymnosperms
Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, 2000ABSTRACT Sixteen species of Gymnosperms have been screened for cytosolic ascorbate peroxidase by means of native polyacrylamide gel electrophoresis. This analysis shows that a single form of the enzyme is the most common situation. The enzyme reveals a similar electrophoretic mobility in species belonging to the same genus and sometimes to different ...
TOMMASI, Franca, PACIOLLA, Costantino
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