Description
SPECIFICATIONS:
EC 3.5.1.5
Product name: Urea amidohydrolase
Appearance: White amorphous powder lyophilized
Activity: > 220 U/mg solid (Nessler units)
Contaminants: NH4+ ≤ 2.0×10-4 μmol/U
Stability: Stable at – 20℃ for at least 12 months
Molecular weight: Approx. 480,000
Isoelectric point: pH 5.0 – 5.1
Michaelis constants: 1.05×10-2 M (Urea)
Structure: 8 active sites with SH-groups per mole of the enzyme
Inhibitors: Heavy metal ions (Ag+ Hg2+ etc.)
Optimum pH: 6.0
Optimum temperature: 60 ℃
pH Stability: pH 5.5 – 8.5 (30 °C, 17hr)
Thermal stability: Below 50 °C, (pH 8.0, 60min)