X4500
Xanthine Oxidase from bovine milk
Grade III, ammonium sulfate suspension, ≥0.8 units/mg protein
Synonym(s):
Schardinger enzyme, XnOx, hypoxanthine oxidase, XOD, Xanthine:oxygen oxidoreductase
About This Item
Recommended Products
biological source
bovine milk
Quality Level
type
Grade III
form
ammonium sulfate suspension
specific activity
≥0.8 units/mg protein
technique(s)
inhibition assay: suitable
color
faint brown to dark brown
UniProt accession no.
foreign activity
uricase ≤0.1%
storage temp.
2-8°C
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General description
Xanthine Oxidase (XO) belongs to the class of complex metalloflavoproteins. It is produced by oxidation of sulfhydryl residues or by proteolysis of xanthine dehydrogenase (XDH). XO is characterized with two flavin molecules (FAD), two molybdenum atoms, and eight iron atoms bound per enzymatic unit.
Application
- as a source for superoxide generation
- for the degradation of hypoxanthine
- for the detection of reactive oxygen species (ROS) in lipid model by electron spin resonance (ESR) spin trap method
- as a constituent of assay mixture in xanthine oxidase inhibition assay
Biochem/physiol Actions
Unit Definition
Physical form
Preparation Note
Storage and Stability
persons
Analysis Note
substrate
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
JAN Code
X4500-25UN:
X4500-5UN:
X4500-VAR:
X4500-100UN:
X4500-BULK:
Certificates of Analysis (COA)
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Instructions for working with enzymes supplied as ammonium sulfate suspensions
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