Xanthine Oxidase from Microorganism

Xanthine Oxidase from Microorganism

Product Code: 193677

EC no:     1.1.3.22

Product Code: 193677 Category:

Description

SPECIFICATIONS:

EC 1.1.3.22

Product name: Xanthine: oxygen oxidoreductase

Appearance: Reddish brown amorphous powder, lyophilized

Activity: Grade II, 10 U/mg-solid or more

Contaminants:

  • Catalase: ≤ 5.0%, Adenosine deaminase: ≤ 1.0×10-3%
  • Uricase ≤ 1.0×10-3%, Phosphatase ≤ 1.0×10-3%,
  • Purine-nucleoside phosphorylase ≤ 5.0×10-3%

Stabilizers: Sodium glutamate, BSA

Stability: Stable at – 20 °C for at least 12 months

Molecular weight: approx. 160,000

Isoelectric point: 4.0 + 0.1

Michaelis constant: 4.5×10-5M (Xanthine), 7.6×10-5M (Hypoxanthine)

Inhibitors: Reducing agents, Hg2+, Ag+, MIA

Optimum pH: 7.5 – 8.0

Optimum temperature: 65 ℃

pH Stability: pH 6.5 – 9.0 (25℃, 15hr)

Thermal stability: below 55℃ (pH 8.0, 30min)

DIVI MANUAL.pdf

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