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Your Position: Home > Protein > PD-1 > PD1-M82F4

Biotinylated Mouse PD-1 / PDCD1 Protein, Fc,Avitag™ (MALS Verified)

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Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.

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  • Synonym
    PDCD1,PD1,CD279,SLEB2
  • Source
    MABSol® Biotinylated Mouse PD-1, Fc,Avitag (PD1-M82F4) is expressed from human HEK293 cells. It contains AA Leu 25 - Gln 167 (Accession # NP_032824 ).
    Predicted N-terminus: Leu 25
  • Molecular Characterization
    PD-1 Structure

    This protein carries a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™).

    The protein has a calculated MW of 44.6 kDa. The protein migrates as 60-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Labeling
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Protein Ratio
    Passed as determined by the HABA assay / binding ELISA.
  • 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 Tris with Glycine, Arginine and NaCl, pH7.5 with trehalose as protectant.

    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.

    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
PD-1 SDS-PAGE

Biotinylated Mouse PD-1, Fc,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.

SEC-MALS
PD-1 MALS images

The purity of Biotinylated Mouse PD-1, Fc,Avitag (Cat. No. PD1-M82F4) is more than 90% and the molecular weight of this protein is around 112-136 kDa verified by SEC-MALS.

Bioactivity-ELISA
 PD-1 ELISA

Immobilized Mouse PD-L1, Fc Tag (Cat. No. PD1-M5251) at 10 μg/mL (100 μL/well) can bind Biotinylated Mouse PD-1, Fc,Avitag (Cat. No. PD1-M82F4) with a linear range of 0.08-2.5 μg/mL (QC tested).

  • Background
    Programmed cell death protein 1 (PD-1) is also known as CD279 and PDCD1, is a type I membrane protein and is a member of the extended CD28/CTLA-4 family of T cell regulators. PDCD1 is expressed on the surface of activated T cells, B cells, macrophages, myeloid cells and a subset of thymocytes. PD-1 has two ligands, PD-L1 and PD-L2, which are members of the B7 family. PD-L1 is expressed on almost all murine tumor cell lines, including PA1 myeloma, P815 mastocytoma, and B16 melanoma upon treatment with IFN-γ. PD-L2 expression is more restricted and is expressed mainly by DCs and a few tumor lines. PD1 inhibits the T-cell proliferation and production of related cytokines including IL-1, IL-4, IL-10 and IFN-γ by suppressing the activation and transduction of PI3K/AKT pathway. In addition, coligation of PD1 inhibits BCR-mediating signal by dephosphorylating key signal transducer. In vitro, treatment of anti-CD3 stimulated T cells with PD-L1-Ig results in reduced T cell proliferation and IFN-γ secretion. Monoclonal antibodies targeting PD-1 that boost the immune system are being developed for the treatment of cancer.
  • Clinical and Translational Updates

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