Active Recombinant Human CD19 Protein, His-tagged, PE-Labeled

• Cat.No.: CD19-4669H
• Product Overview: PE-Labeled Recombinant Human Protein(Pro 20 - Lys 291), fused with His tag, was expressed in HEK293.

Specification

• Source: HEK293
• Species: Human
• Tag: His
• Form: Lyophilized from 0.22 μm filtered solution in PBS, 0.5% BSA, pH7.4. Normally trehalose is added as protectant before lyophilization.
• Bio-activity: 1e6 of the anti-CD19 CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of PE-Labeled Human CD19 (20-291), His Tag.
• Molecular Mass: This protein carries a polyhistidine tag at the C-terminus.The protein has a calculated MW of 33.7 kDa.
• Protein Length: Pro 20 - Lys 291
• Storage: For long term, the product should be stored at lyophilized state at -20°C or lower.Please protect from light and avoid repeated freeze-thaw cycles. This product is stable after at:
  -20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution.
• Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4°C before opening to recover the entire contents.

Gene Information

• Gene Name: CD19 CD19 molecule [ Homo sapiens ]
• Official Symbol: CD19
• Synonyms: CD19; CD19 molecule; CD19 antigen; B-lymphocyte antigen CD19; differentiation antigen CD19; T-cell surface antigen Leu-12; B-lymphocyte surface antigen B4; B4; CVID3; MGC12802
• Gene ID: 930
• mRNA Refseq: NM_001178098
• Protein Refseq: NP_001171569
• MIM: 107265
• UniProt ID: P15391