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Human B7-H3 / CD276 Protein, His Tag (MALS verified)

  • 동의어
    B7-H3,CD276,B7 homolog 3
  • 출처
    Human B7-H3, His Tag (B73-H52E2) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Pro 245 (Accession # Q5ZPR3-2).
    Predicted N-terminus: Leu 29
  • 분자 표징
    Online(Leu 29 - Pro 245) Q5ZPR3-2

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

    The protein has a calculated MW of 25.2 kDa. The protein migrates as 35-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • 내독소
    Less than 1.0 EU per μg by the LAL method.
  • 순도

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • 레시피

    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.

  • 재구성

    Please see Certificate of Analysis for specific instructions.

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

  • 보관

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 24 months in lyophilized state;
    2. -70°C for 24 months under sterile conditions after reconstitution.
SDS-PAGE
Human B7-H3, His Tag (Cat. No. B73-H52E2) SDS-PAGE gel

Human B7-H3, 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%.

SEC-MALS
Human B7-H3, His Tag (Cat. No. ) MALS images

The purity of Human B7-H3, His Tag (Cat. No. B73-H52E2) is more than 90% and the molecular weight of this protein is around 30-40 kDa verified by SEC-MALS.

Bioactivity-ELISA
Human B7-H3, His TagHuman B7-H3, His Tag (Cat. No. B73-H52E2) ELISA bioactivity

Immobilized Human B7-H3, His Tag (Cat. No. B73-H52E2) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-Human B7-H3 / B7-H3 (4Ig) Antibody, Human IgG1 with a linear range of 0.3-5 ng/mL (QC tested).

Human B7-H3, His TagHuman B7-H3, His Tag (Cat. No. B73-H52E2) ELISA bioactivity

Immobilized Monoclonal Anti-Human B7-H3 / B7-H3 (4Ig) Antibody, Human IgG1 at 2 μg/mL (100 μL/well) can bind Human B7-H3, His Tag (Cat. No. B73-H52E2) with a linear range of 0.01-0.156 μg/mL (Routinely tested).

Bioactivity-Cell based assay
Human FcRn Heterodimer Protein Cell_Base

Human B7-H3, His Tag (Cat. No. B73-H52E2) inhibits Anti-CD3-induced proliferation of PBMC. The EC50 for this effect is 2.24-3.36 μg/mL (Routinely tested).

  • Citations
  • 백그라운드
    B7 homolog 3 (B7-H3), a member of the immunoglobulin superfamily, is also known CD276, which contains two Ig-like C2-type (immunoglobulin-like) domains and two Ig-like V-type (immunoglobulin-like) domains. B7-H3 may participate in the regulation of T-cell-mediated immune response. B7-H3 also plays a protective role in tumor cells by inhibiting natural-killer mediated cell lysis as well as a role of marker for detection of neuroblastoma cells. Furthermore, B7-H3 is involved in the development of acute and chronic transplant rejection and in the regulation of lymphocytic activity at mucosal surfaces. It could also play a key role in providing the placenta and fetus with a suitable immunological environment throughout pregnancy.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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ETD of in-stock products: 4 business days

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