Oxidative cleavage of diverse ethers by an extracellular fungal peroxygenase.
Matthias Kinne,Marzena Poraj-Kobielska,Sally A. Ralph,René Ullrich,Martin Hofrichter,Kenneth E. Hammel,Kenneth E. Hammel +6 more
TLDR
A hydrogen abstraction and oxygen rebound mechanism that oxidizes ethers to hemiacetals, which subsequently hydrolyze may have a role in the biodegradation of natural and anthropogenic low molecular weight ethers in soils and plant litter.About:
This article is published in Journal of Biological Chemistry.The article was published on 2009-10-23 and is currently open access. It has received 79 citations till now. The article focuses on the topics: Ether cleavage & Ether.read more
Citations
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New and classic families of secreted fungal heme peroxidases
TL;DR: This review focuses on the most recently discovered and novel types of heme-dependent peroxidases, aromatic peroxygenases (APOs), and dye-decolorizing peroxIDases (DyPs), which catalyze remarkable reactions such as peroxide-driven oxygen transfer and cleavage of anthraquinone derivatives, respectively.
Journal ArticleDOI
Enzyme-mediated oxidations for the chemist
TL;DR: The present state of the art in the use of enzymes and microorganisms for catalytic oxidation and oxyfunctionalization chemistry is reviewed.
Journal ArticleDOI
Oxidations catalyzed by fungal peroxygenases.
Martin Hofrichter,René Ullrich +1 more
TL;DR: Given that selective oxyfunctionalizations are among the most difficult to realize chemical reactions and that respectively transformed molecules are of general importance in organic and pharmaceutical syntheses, it will be worth developing peroxygenase biocatalysts for industrial applications.
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Peroxygenases en route to becoming dream catalysts. What are the opportunities and challenges
TL;DR: Peroxygenases are promising catalysts for preparative oxyfunctionalization chemistry as they combine the versatility of P450 monooxygenase with simplicity of cofactor-independent enzymes.
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Metal-catalyzed asymmetric sulfoxidation, epoxidation and hydroxylation by hydrogen peroxide
TL;DR: In this paper, the use of non-heme systems for asymmetric sulfoxidation, epoxidation and dihydroxylation of alkenes has been discussed and the possibility of asymmetric oxidation catalyzed by metalloporphyrins has also been discussed.
References
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Book
Cytochrome P-450: Structure, Mechanism, and Biochemistry
Ortiz de Montellano,R Paul +1 more
TL;DR: The Cytochrome P450 and the Metabolism and Bioactivation of Arachidonic Acid and Eicosanoids in Plants and the Diversity and Importance of Microbial Cytochromes P450 are studied.
Book
Interpretation of Mass Spectra
TL;DR: In this paper, the basic mechanism of ion fragmentation is described and a theory of unimolecular Ion Decompositions is proposed, along with a detailed model of the mass spectrum of common compound classes.
Journal ArticleDOI
Common and uncommon cytochrome P450 reactions related to metabolism and chemical toxicity.
TL;DR: P450s also catalyze less generally discussed reactions including reduction, desaturation, ester cleavage, ring expansion, ring formation, aldehyde scission, dehydration, ipso attack, coupling reactions, rearrangement of fatty acid and prostaglandin hydroperoxides, and phospholipase activity.
Journal ArticleDOI
Lignin-degrading enzyme from Phanerochaete chrysosporium: Purification, characterization, and catalytic properties of a unique H2O2-requiring oxygenase
Ming Tien,T. Kent Kirk +1 more
TL;DR: An extracellular lignin-degrading enzyme from the basidiomycete Phanerochaete chrysosporium Burdsall was purified to homogeneity by ion-exchange chromatography, finding that it is an oxygenase, unique in its requirement for H(2)O(2).
Journal ArticleDOI
Biodegradation of lignin by white rot fungi.
Andrzej Leonowicz,Anna Matuszewska,Jolanta Luterek,Dirk Ziegenhagen,Maria Wojtaś-Wasilewska,Nam-Seok Cho,Martin Hofrichter,Jerzy Rogalski +7 more
TL;DR: A review is presented related to the biochemistry of lignocellulose transformation that focuses on the roles of small molecular compounds and radicals working in concert with enzymes in wood rotting basidiomycetous fungi.