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Your Position: Home > Immune Checkpoint Proteins > B7-2 > Human B7-2 /CD86 Protein

Human B7-2 / CD86 Protein

  • Synonym
  • Source
    Human B7-2, His Tag (CD6-H5223) is expressed from human 293 cells (HEK293). It contains AA Leu 26 - Pro 247 (Accession # AAH40261).
    Predicted N-terminus: Leu 26
  • Molecular Characterization
    B7-2(Leu 26 - Pro 247) AAH40261

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

    The protein has a calculated MW of 26.7 kDa. The protein migrates as 43-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

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

    >95% as determined by 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 avoid repeated freeze-thaw cycles.

    No activity loss is observed after storage at:

    1. 4-8°C for 12 months in lyophilized state;

    2. -70°C for 3 months under sterile conditions after reconstitution.

Human B7-2, His Tag (Cat. No. CD6-H5223) SDS-PAGE gel

Human B7-2, 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 95%.

Human B7-2, His TagHuman B7-2, His Tag (Cat. No. CD6-H5223) ELISA bioactivity

Immobilized Human B7-2, His Tag (Cat. No. CD6-H5223) at 10 μg/mL (100 µl/well), can bind Human CTLA-4, Fc Tag (Cat. No. CT4-H5255) with a linear range of 0.04-0.3 μg/mL (QC tested).

  • Background
    Cluster of Differentiation 86 (CD86) is also known as B-lymphocyte activation antigen B7-2, is a type I membrane protein that is a member of the immunoglobulin superfamily, and is constitutively expressed on interdigitating dendritic cells, Langerhans cells, peripheral blood dendritic cells, memory B cells, and germinal center B cells. Additionally, B72 is expressed at low levels on monocytes and can be upregulated through interferon γ. CD86 is the ligand for two different proteins on the T cell surface: CD28 (for autoregulation and intercellular association) and CTLA-4 (for attenuation of regulation and cellular disassociation). CD86 works in tandem with CD80 to prime T cells. Recent study has revealed that B7-2 promotes the generation of a mature APC repertoire and promotes APC function and survival. Furthermore, the B7 proteins are also involved in innate immune responses by activating NF-κB-signaling pathway in macrophages. CD86 thus is regarded as a promising candidate for immune therapy. CD86+ macrophages in Hodgkin lymphoma patients are an independent marker for potential nonresponse to firstline-therapy.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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