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PNP

PRODUCT DESCRIPTION  
Catalog No.: SDZ500040
Appearance: White amorphous powder
Source: Microorganism
Enzyme Commission Number: EC 2.4.2.1
CAS Number: 9030-21-1
Storage temperature: -20℃
Specific activity: ≥ 200U/mg protein
Unit definition: One unit will cause the phosphorolysis of one micromole of inosine to hypoxanthine and ribose 1-phosphate per min at pH 7.7 at 37℃.
   
PROPERTIES  
Molecular weight: 32 kDa (SDS-PAGE)
Isoelectric point: 6
Michaelis constant: 2.2×10-4 M(Inosine)
Optimum pH: 7.5~ 8.0 
Optimum temperature: 60℃ 
pH Stability: 5.0~10.0(30℃,16hr) 
Thermal stability: < 55℃ (pH 7.7, 30min) 
Inhibitors: Co2+ ,Cu2+ ,Fe3+ ,NEM,Proclin,SDS
Inhibitors: Cu2+

 

 

 

 

 

 

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  • 中文名称:
    嘌呤核苷磷酸化酶
  • 英文名称:
    Purine-nucleoside phosphorylase
  • CAS:
    9030-21-1
  • 酶活:
    ≥ 200U/mg protein
  • 活性:
    One unit will cause the phosphorolysis of one micromole of inosine to hypoxanthine and ribose 1-phosphate per min at pH 7.7 at 37℃.
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