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  1. Recombinant Human Activin RIIA Protein
      种属: 人(Human)    Accession #: P27037-1    
      表达系统: HEK293    蛋白标签: C-His    内毒素水平: <0.1 EU/μg    
      生物活性: Measured by its ability to inhibit Activin A-induced hemoglobin expression in K562 human chronic myelogenous leukemia cells. Approximately 0.01-0.05 μg/mL of Recombinant Human (rh) Activin RIIA Fc Chimera will inhibit 50% of the biological response due to 3 ng/mL of rhActivin A.    
  2. Recombinant Mouse TNF-alpha Protein
      种属: 小鼠(Mouse)    Accession #: P06804    
      表达系统: HEK293    蛋白标签: No tag     内毒素水平: <0.1 EU/μg    
      生物活性: Recombinant Mouse TNF-alpha induces cytotoxicity in the L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is typically 29-116 pg/mL, corresponding to a specific activity of 8.62×10^6-3.45×10^7 units/mg.    
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