Information om | Engelska ordet PEROXIDASES

Exempel på hur man kan använda PEROXIDASES i en mening

• Selenocysteine is present in several enzymes (for example glutathione peroxidases, tetraiodothyronine 5′ deiodinases, thioredoxin reductases, formate dehydrogenases, glycine reductases, selenophosphate synthetase 2, methionine-R-sulfoxide reductase B1 (SEPX1), and some hydrogenases).
• Among functionally characterized selenoproteins are five glutathione peroxidases (GPX) and three thioredoxin reductases, (TrxR/TXNRD) which both contain only one Sec.
• The cortical granules contain proteases that clip perivitelline tether proteins, peroxidases that harden the vitelline envelope, and glycosaminoglycans that attract water into the perivitelline space, causing it to expand and form the hyaline layer.
• Peroxidases have been classified into three types (class I, class II and class III): ascorbate peroxidases is a class I peroxidase enzyme.
• Mammalian cells are protected by presence of catalase, glutathione, peroxidases, and superoxide dismutase.
• It was first limited to class III peroxidases (plant peroxidases) and was then expanded to include all possible haem and non-haem peroxidase protein sequences.
• While in Basidiomycota, the lignolytic activities are jointly played by enzymes such as laccases, manganese peroxidases and lignin peroxidases, in Coriolopsis gallica, as well as in the phylogenetically related Trametes spp.
• Peroxidation, initiated by reactive oxygen species by enzymatic peroxidases or non-enzymatic pathways, react with the benzylic carbon and alpha-keto carbonyl to form a "squaric" 1,2-dioxetane/dioxetanol.
• As with other glutathione peroxidases, GPx1 has a conserved catalytic tetrad composed of Sec or Cys, Gln, Trp, and Asn, where the Sec is surrounded by four arginines (R 57, 103, 184, 185; bovine numbering) and a lysine of an adjacent subunit (K 91').
• This enzyme belongs to the family of oxidoreductases, specifically those acting on a peroxide as acceptors (peroxidases).
• This enzyme belongs to the family of oxidoreductases, specifically those acting on a peroxide as acceptor (peroxidases) and can be included in the broad category of ligninases.
• The alpha/beta hydrolase fold includes proteases, lipases, peroxidases, esterases, epoxide hydrolases and dehalogenases.
• On the basis of sequence similarity, a number of animal heme peroxidases can be categorized as members of a superfamily: myeloperoxidase (MPO); eosinophil peroxidase (EPO); lactoperoxidase (LPO); thyroid peroxidase (TPO); prostaglandin H synthase (PGHS); and peroxidasin.
• Studies in knockout mice indicate that mRNA expression levels respond to luminal microflora, suggesting a role of the ileal glutathione peroxidases in preventing inflammation in the GI tract.
• 15-LOX-2 converts arachidonic acid almost exclusively to the S stereoisomer of 15-Hydroperoxyicosatetraenoic acid which is commonly reduced to the S stereoisomer 15-Hydroxyeicosatetraenoic acid by ubiquitous cellular peroxidases; it metabolizes linoleic acid less effectively, converting this fatty acid to the S stereoisomer of 13-hydroperoxyoctadecadienoic acid which is likewise rapidly reduced to the S stereoisomer of 13-Hydroxyoctadecadienoic acid.
• Because of selenium's role in certain peroxidases (converting hydroperoxides to alcohols) and because of the antioxidant role of vitamin E (preventing hydroperoxide formation), a low level of Se can be somewhat (but not wholly) compensated by a high level of vitamin E.
• The genome of Jaapia argillacea lacks lignin-degrading peroxidases typical of white rot fungi, but has fifteen genes coding for lytic polysaccharide monooxygenases; experiments demonstrate localized erosion of all wood cell wall layers, similar to other white rots.
• The hyalin forms a layer adjacent to the plasma membrane and the peroxidases cross-link the protein in the vitelline membrane to harden it and make it impenetrable to sperm.
• Norisoprenoids, such as C13-norisoprenoids found in grape (Vitis vinifera) or wine, can be produced by fungal peroxidases or glycosidases.
• In molecular biology, the di-haem cytochrome c peroxidase family is a group of distinct cytochrome c peroxidases (CCPs) that contain two haem groups.

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