Specifications

• Conjugation:
  Unconjugated
• Protein/Peptide Type:
  Recombinant
• Source:
  HEK293 cells
• Species:
  Human
• Size:
  20 µg
• Storage Conditions:
  –20 °C
• Endotoxin Content:
  Less than 1.0 EU per μg by the LAL method.
• Biological Activity:
  Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.; Measured by its binding ability in a functional ELISA. Immobilized Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) at 0.5 μg/mL (100 μL/well) can bind Anti-IL23A and IL12B MAb (P40 domain) with a linear range of 0.2-2 ng/mL (QC tested).; Measured by its binding ability in a functional ELISA. Immobilized Biotinylated Human IL-12 R beta 1, Fc,Avitag (Cat. No. ILB-H82F7) at 1 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) with a linear range of 0.039-0.625 μg/mL (Routinely tested).; Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) with an affinity constant of 2.06 nM as determined in a SPR assay (Biacore T200) (Routinely tested).; Loaded Anti-IL23A and IL12B MAb (P40 domain) on Protein A Biosensor, can bind Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) with an affinity constant of 1.07 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).; Loaded Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) on HIS1K Biosensor, can bind Human IL-12 R beta 1, Fc Tag (Cat. No. ILB-H5255) with an affinity constant of 92.2 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).; Human IL-12B&IL-12A Heterodimer Protein, His Tag&Flag Tag (Cat. No. IL2-H4210) stimulates the proliferation of PHA-P activated PBMC. The ED50 for this effect is 0.05 ng/mL (Routinely tested).
• Gene ID:
  P29460-1 (IL12B) and P29459-1 (IL12A)
• Carrier-Free:
  Y
• Protease-free:
  Y
• Animal-Free:
  Y
• Protein Synonyms:
  IL12|p70|Interleukin-12
• Protein/Peptide Name:
  IL-12B & IL-12A
• Purity:
  >90%
• Molecular Weight:
  36.6 kDa (IL12B) and 23.8 kDa (IL12A)
• Endotoxin Level:
  Low
• Formulation:
  Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
• Nuclease-free:
  Y
• Shipping Temperature:
  Powder,RT
• Cat. No.:
  103739-242