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Your Position: Home > Immune Checkpoint Proteins > SIRP alpha > SIA-H82A3

Biotinylated Human SIRP alpha / CD172a Protein, Mouse IgG2a Fc,Avitag™ (MALS verified)

  • Synonym
    SHPS1,SIRPA,CD172A,BIT,MFR,MYD1,P84,PTPNS1
  • Source
    Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (SIA-H82A3) is expressed from human 293 cells (HEK293). It contains AA Glu 31 - Arg 370 (Accession # P78324-1).
    Predicted N-terminus: Glu 31
  • Molecular Characterization
    Online(Glu 31 - Arg 370) P78324-1

    This protein carries a mouse IgG2a Fc tag at the C-terminus, followed by an Avi tag (Avitag™).

    The protein has a calculated MW of 65.9 kDa. The protein migrates as 85-100 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Biotinylation
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Biotin:Protein Ratio
    The biotin to protein ratio is 0.5-1 as determined by the HABA assay.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5. 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.

    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
Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (Cat. No. SIA-H82A3) SDS-PAGE gel

Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag 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
Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (Cat. No. ) MALS images

The purity of Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (Cat. No. SIA-H82A3) was more than 90% and the molecular weight of this protein is around 155-175 kDa verified by SEC-MALS.

Bioactivity-ELISA
Biotinylated Human SIRP alpha, Mouse IgG2a Fc,AvitagBiotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (Cat. No. SIA-H82A3) ELISA bioactivity

Immobilized Human CD47, Fc Tag (Cat. No. CD7-H5256) at 2 μg/mL (100 μL/well) can bind Biotinylated Human SIRP alpha, Mouse IgG2a Fc,Avitag (Cat. No. SIA-H82A3) with a linear range of 0.6-10 ng/mL (QC tested).

  • Background
    Tyrosine-protein phosphatase non-receptor type substrate 1 (SHPS1) is also known as CD172 antigen-like family member A (CD172a), Macrophage fusion receptor, MyD-1 antigen, Signal-regulatory protein alpha (SIRPA or SIRP alpha) or p84, is a member of the SIRP family, and also belongs to the immunoglobulin superfamily. SIRP alpha is Ubiquitous and highly expressed in brain. SIRPA / CD172a is immunoglobulin-like cell surface receptor for CD47 and acts as docking protein and induces translocation of PTPN6, PTPN11 and other binding partners from the cytosol to the plasma membrane. SIRPA / SHPS-1 supports adhesion of cerebellar neurons, neurite outgrowth and glial cell attachment and may play a key role in intracellular signaling during synaptogenesis and in synaptic function By similarity. SIRPA / MyD1 involved in the negative regulation of receptor tyrosine kinase-coupled cellular responses induced by cell adhesion, growth factors or insulin and mediates negative regulation of phagocytosis, mast cell activation and dendritic cell activation. CD47 binding prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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Order Details

Price(USD) : $350.00

Price(USD) : $1380.00

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Drug Development Status

  • Number of Launched Drugs:1 Details
  • Number of Drugs in Clinical Trials:4 Details
  • Latest Research Phase:Approved

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