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Your Position: Accueil > Protein > Siglec-2 > SI2-M82H5

Biotinylated Mouse Siglec-2 / CD22 Protein, His Tag, ultra sensitivity (primary amine labeling) (MALS verified)

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  • Synonym
    CD22,SIGLEC2,BL-CAM,SIGLEC-2,Siglec2,SIGLEC2FLJ22814
  • Source
    Biotinylated Mouse Siglec-2, His Tag, primary amine labeling(SI2-M82H5) is expressed from human 293 cells (HEK293). It contains AA Ser 22 - Arg 702 (Accession # P35329-1).
    Predicted N-terminus: Ser 22
  • Molecular Characterization
    Siglec-2 Structure

    This protein carries a polyhistidine tag at the C-terminus

    The protein has a calculated MW of 78.3 kDa. The protein migrates as 90-110 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Labeling
    The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with biotins using standard chemical labeling method. A standard biotin reagent (13.5 angstroms) is used in this product.
  • Protein Ratio
    Passed as determined by the HABA assay / binding ELISA.
  • 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 PBS, pH7.4 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

Biotinylated Mouse Siglec-2, His Tag, primary amine labeling on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Siglec-2 MALS images

The purity of Biotinylated Mouse Siglec-2, His Tag, primary amine labeling (Cat. No. SI2-M82H5) is more than 90% and the molecular weight of this protein is around 95-125 kDa verified by SEC-MALS.

  • 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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ETA des produits en stock: 2 jours ouvrables

Price(EUR) : €350.00

Price(EUR) : €1390.00

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