X4875
Xanthine Oxidase from bovine milk
Grade IV, ammonium sulfate suspension, ≥0.1 units/mg protein
Sinonimo/i:
XOD, Xanthine:oxygen oxidoreductase
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About This Item
Numero CAS:
Classificazione EC (Enzyme Commission):
1.17.3.2.
Numero CE:
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54
Prodotti consigliati
Origine biologica
bovine milk
Livello qualitativo
Tipo
Grade IV
Forma fisica
ammonium sulfate suspension
Attività specifica
≥0.1 units/mg protein
Temperatura di conservazione
2-8°C
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Descrizione generale
Research area: Cell CycleXanthineoxidase (XO) is a homodimer. It is made up of two sub-units each made up of onemolybdenum and two iron-sulphur (2Fe-2S) centers.
Formerly E.C. 1.1.3.22
Applicazioni
Xanthine Oxidase from bovine milk has been used in superoxide dismutaseactivity assay.Xanthine oxidase may be suitable for producing amperometric biosensors and designing-flavonoid-type inhibitors against XO for treating inflammatory diseases, gout, and hyperuricemia. It may also be used in the synthesis of superoxide because of aldehyde oxidation.
Azioni biochim/fisiol
Although xanthine oxidase is found widely distributed in multiple tissues, it is highly expressed in endothelial and epithelial cells. Its expression was also increased in infected tissues where it was shown to have an anti-microbial effect due to its ability to generate reactive oxygen species. Xanthineoxidase plays an important role in catalyzing the hydroxylation ofhypoxanthine to Xanthine. Later, xanthine is converted to uric acid isexcreted by the kidneys.
Xanthine oxidase is a molybdenum-containing enzyme that is found in the cytosol, and may be strongly inhibited by flavonoids. It plays a vital role in the metabolism of some drugs, as well as purines and pyrimidines. It is also known to be a biological source of reactive oxygen species.
Definizione di unità
One unit will convert 1.0 μmole of xanthine to uric acid per min at pH 7.5 at 25 °C. Approx. 50% of the activity is obtained with hypoxanthine as substrate.
Stato fisico
Suspension in 2.3 M (NH4)2SO4 containing 1 mM sodium salicylate
Risultati analitici
Protein determined by biuret
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Resp. Sens. 1
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
Certificati d'analisi (COA)
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I clienti hanno visto anche
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Hannah M Martin et al.
Infection and immunity, 72(9), 4933-4939 (2004-08-24)
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Nature protocols, 11(7), 1219-1228 (2016-06-10)
During infection, nicotinamide adenine dinucleotide phosphate-oxidase of innate immune cells generates important microbicidal reactive oxygen species (ROS) such as hypochlorous acid (HOCl) to kill the invading pathogens. However, excess amounts of HOCl induce oxidative damage of functional biomolecules such as
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Alice B Nongonierma et al.
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Xanthine oxidase (XO) and dipeptidyl peptidase IV (DPP-IV) inhibition by amino acids and dipeptides was studied. Trp and Trp-containing dipeptides (Arg-Trp, Trp-Val, Val-Trp, Lys-Trp and Ile-Trp) inhibited XO. Three amino acids (Met, Leu and Trp) and eight dipeptides (Phe-Leu, Trp-Val
Articoli
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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