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Your Position: Start > Protein > Siglec-2 > SI2-H525a

Human Siglec-2 / CD22 Protein, Llama IgG2b Fc Tag, low endotoxin

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  • Synonym
    CD22,SIGLEC2,BL-CAM,SIGLEC-2,Siglec2,SIGLEC2FLJ22814
  • Source
    Human Siglec-2 Protein, Llama IgG2b Fc Tag(SI2-H525a) is expressed from human 293 cells (HEK293). It contains AA Asp 20 - Arg 687 (Accession # P20273-1).
    Predicted N-terminus: Asp 20
  • Molecular Characterization
    Siglec-2 Structure

    This protein carries a llama IgG2b Fc tag at the C-terminus

    The protein has a calculated MW of 103.0 kDa. The protein migrates as 120-140 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 0.01 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • 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
Siglec-2 SDS-PAGE

Human Siglec-2 Protein, Llama IgG2b Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-ELISA
 Siglec-2 ELISA

Immobilized Human Siglec-2 Protein, Llama IgG2b Fc Tag (Cat. No. SI2-H525a) at 2 μg/mL (100 μL/well) can bind Anti-Human CD22 with a linear range of 4-63 ng/mL (QC tested).

  • Background
    B-cell receptor CD22 is also known as Sialic acid-binding Ig-like lectin 2 (Siglec-2), B-lymphocyte cell adhesion molecule (BL-CAM), T-cell surface antigen Leu-14, which belongs to the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. CD22 mediates B-cell B-cell interactions, and may be involved in the localization of B-cells in lymphoid tissues. Siglec-2 / CD22 binds sialylated glycoproteins, one of which is CD45. Siglec2 / CD22 plays a role in positive regulation through interaction with Src family tyrosine kinases and may also act as an inhibitory receptor by recruiting cytoplasmic phosphatases via their SH2 domains that block signal transduction through dephosphorylation of signaling molecules.
  • Clinical and Translational Updates

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voraussichtlicher Versandzeitpunkt von vorrätigen Produkten: 2 Arbeitstage

Price(EUR) : €350.00

Price(EUR) : €2570.00

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Drug Development Status

  • Number of Launched Drugs:2 Details
  • Number of Drugs in Clinical Trials:58 Details
  • Latest Research Phase:Approved

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