Human CD19 Protein (CD1-HM119)

  • Express System: Expi293
  • Product Tag: C-His
  • Purity: > 95% as determined by Tris-Bis PAGE
  • Activity: Immobilized Human CD19 Protein at 5μg/ml can bind different Anti-CD19 Antibodies with high affinity. See testing image for detail.
  • Exact Sequence: Pro20-Lys291

Catalog: CD1-HM119

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Product Description Recombinant Human CD19 Protein is expressed from Expi293 with His tag at the C-terminal.; It contains Pro20-Lys291.
Product Category Recombinant Protein
Target CD19
Synonyms CD19; B4; CVID3; Leu-12; MGC12802
Gene/Protein ID P15391-1
Species Human
Exact Sequence Pro20-Lys291
Molecular Weight The protein has a predicted MW of 34.7 kDa. Due to glycosylation, the protein migrates to 50-60 KDa based on Bis-Tris PAGE result.
Activity Immobilized Human CD19 Protein at 5μg/ml can bind different Anti-CD19 Antibodies with high affinity. See testing image for detail.
Product Tag C-His
Express System Expi293
Purity > 95% as determined by Tris-Bis PAGE
Endotoxin Less than 1EU per μg by the LAL method.
Form Lyophilized
Shipping Shipped at ambient temperature.
Formulation Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization.
Reconstitution Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended (usually we use 1mg/ml solution for lyophilization). Dissolve the lyophilized protein in distilled water.
Stability And Storage Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Immobilized Human CD19 Protein at 5μg/ml can bind different Anti-CD19 Antibodies with high affinity.
Human CD19 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.

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