脲酶

脲酶(EC3.5.1.5)催化尿素分解成氨和二氧化碳，用于尿素浓度的检测。
Appearance: White powder, lyophilized
Source: Jack Bean
Enzyme Commission Number: EC 3.5.1.5
CAS Number: 9002-13-5
Storage temperature: -20℃
Specific activity: ≥ 2000U/mg protein
Unit definition: One unit will hydrolyze one micromole of urea per min at pH 8.0 at 37℃.
PROPERTIES
Molecular weight 480 kDa (Gel filtration)
Isoelectric point 5.1
Optimum pH: 7.5
Optimum temperature: 55℃
pH Stability 5.0~10.0 (30℃, 17hr)
Thermal stability < 55℃ (pH 8.0, 1hr)