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Your Position: Home > Immune Checkpoint Proteins > B7-H3 (4Ig) > B7B-HF2F4

FITC-Labeled Human B7-H3 (4Ig) / B7-H3b Protein, Fc Tag

  • Synonym
    4Ig-B7-H3,B7-H3,CD276,PSEC0249,UNQ309,PRO352,B7 homolog 3
  • Source
    FITC-Labeled Human B7-H3 (4Ig), Fc Tag (B7B-HF2F4) is expressed from human 293 cells (HEK293). It contains AA Gly 27 - Thr 461 (Accession # Q5ZPR3-1). It is the FITC labeled form of Human B7-H3 (4Ig), Fc Tag (Cat. No. B7B-H5258).
    Predicted N-terminus: Gly 27
  • Molecular Characterization
    Online(Gly 27 - Thr 461) Q5ZPR3-1

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 73.1 kDa. The protein migrates as 95-115 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

  • Labeling
    The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with FITC using standard chemical labeling method. The residual FITC is removed by molecular seive treatment during purification process.
  • FITC:Protein Ratio
    The FITC to protein molar ratio is 1-3.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by reduced SDS-PAGE.

  • 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 B7-H3 (4Ig), Fc Tag (Cat. No. B7B-HF2F4) SDS-PAGE gel

FITC-Labeled Human B7-H3 (4Ig), Fc 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%.

Bioactivity-ELISA
FITC-Labeled Human B7-H3 (4Ig), Fc TagFITC-Labeled Human B7-H3 (4Ig), Fc Tag (Cat. No. B7B-HF2F4) ELISA bioactivity

Immobilized Monoclonal Anti-Human B7-H3 / B7-H3 (4Ig) Antibody, Human IgG1 at 2 μg/mL (100 μL/well) can bind FITC-Labeled Human B7-H3 (4Ig), Fc Tag (Cat. No. B7B-HF2F4) with a linear range of 0.02-0.625 μg/mL (QC tested).

  • Background
    Human B7 homolog 3 (B7-H3) is a member of the B7 family of immune proteins that provide signals for the regulation of immune responses. Other family members include B7-1, B7-2, B7-H1/PD-L1, B7-H2, and PD-L2. B7 family proteins are type I transmembrane immunoglobulin (Ig) superfamily members that contain extracellular Ig V‑like and Ig C‑like domains with a short cytoplasmic tail. Termed 4IgB7-H3 or B7-H3b, this molecule has two additional Ig-like domains (one V‑type and one C‑type) and shows a ubiquituous expression pattern.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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Price(USD) : $319.00

Price(USD) : $1980.00

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