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FITC-Labeled Human BCMA / TNFRSF17 Protein, His TagStar Staining

  • Synonym
    TNFRSF17,CD269,BCM,BCMA
  • Source
    FITC-Labeled Human BCMA, His Tag (BCA-HF2H3) is produced via conjugation of FITC to Human BCMA, His Tag with a new generation site-specific technology under Star Staining labeling platform. Human BCMA, His Tag is expressed from human 293 cells (HEK293). It contains AA Met 1 - Ala 54 (Accession # Q02223-1).
    Predicted N-terminus: Met 1
  • Molecular Characterization
    Online(Met 1 - Ala 54) Q02223-1

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 22.2 kDa. The protein migrates as 30-35 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Conjugate

    FITC

    Excitation source: 488 nm spectral line, argon-ion laser

    Excitation Wavelength: 488 nm

    Emission Wavelength: 535 nm

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, 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 storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
FITC-Labeled Human BCMA, His Tag (Cat. No. BCA-HF2H3) SDS-PAGE gel

FITC-Labeled Human BCMA, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

SEC-MALS
FITC-Labeled Human BCMA, His Tag (Cat. No. ) MALS images

The purity of FITC-Labeled Human BCMA, His Tag (Cat. No. BCA-HF2H3) is more than 90% and the molecular weight of this protein is around 24-34 kDa verified by SEC-MALS.

Evaluation of CAR expression
FACS Analysis of Anti-BCMA CAR Expression
Evaluation of CAR expression

2e5 of 293 CAR cells transfected with anti-BCMA-scFv were stained with 100 μL of 1 μg/mL of FITC-Labeled Human BCMA, His Tag (Cat. No. BCA-HF2H3) and negative control protein respectively (Fig. C and B), and non-transfected 293 cells were used as a control (Fig. A), FITC signal was used to evaluate the binding activity (QC tested).

FACS Analysis of Non-specific binding to PBMCs
Evaluation of CAR expression

5e5 of PBMCs were stained with FITC-Labeled Human BCMA, His Tag (Cat. No. BCA-HF2H3) and anti-CD3 antibody, washed and then analyzed with FACS. PE signal was used to evaluate the expression of CD3+ T cells in PBMCs, and FITC signal was used to evaluate the non-specific binding activity to PBMCs (QC tested).

  • Background
    Tumor necrosis factor receptor superfamily member 17 (TNFRSF17) is also known as B-cell maturation protein (BCMA), CD antigen CD269, which is a member of the TNF-receptor superfamily. TNFRSF17 contains one TNFR-Cys repeat. TNFRSF17 is expressed in mature B-cells, but not in T-cells or monocytes. TNFRSF17 is receptor for TNFSF13B/BLyS/BAFF and TNFSF13/APRIL. TNFRSF17 promotes B-cell survival and plays a role in the regulation of humoral immunity. TNFRSF17 can activate NF-kappa-B and JNK.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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