Biotinylated Human IgG2 Fc Protein, Avitag™ (MALS verified)

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Cat. No. / Size
Price
Qty
IG2-H8213-25ug
$360.00
IG2-H8213-200ug
$1340.00
ETA of in-stock products:2 business days

Product Details

  • Synonym

    IGHG2

  • Source

    Biotinylated Human IgG2 Fc Protein, Avitag (IG2-H8213) is expressed from human 293 cells (HEK293). It contains AA Glu 99 - Lys 326 (Accession # P01859-1).

    Predicted N-terminus: Glu 99

    Request for sequence
  • Molecular Characterization

    IgG2 Fc Structure

    Other Tags and Version Biotin & Other Labeled Version

    This protein carries an Avi tag (Avitag™) at the C-terminus.

    The protein has a calculated MW of 27.9 kDa. The protein migrates as 33-35 kDa when calibrated against Star Ribbon Pre-stained Protein Marker 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.

  • Purity

    >95% as determined by SDS-PAGE.

    >95% 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.
  • ACRO Quality Management System

    1. QMS(ISO, GMP)
    2. Quality Advantages
    3. Quality Control Process

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Performance Data

  • SDS-PAGE

    IgG2 Fc SDS-PAGE

    Biotinylated Human IgG2 Fc Protein, Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).

  • SEC-MALS

    IgG2 Fc SEC-MALS

    The purity of Biotinylated Human IgG2 Fc Protein, Avitag (Cat. No. IG2-H8213) is more than 95% and the molecular weight of this protein is around 50-70 kDa verified by SEC-MALS.

    Report
  • Bioactivity-ELISA

     IgG2 Fc ELISA

    Immobilized Protein A at 1 μg/mL (100 μL/well) can bind Biotinylated Human IgG2 Fc Protein, Avitag (Cat. No. IG2-H8213) with a linear range of 0.08-2 ng/mL (QC tested).

    Protocol

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Background

Immunoglobulin G2 (IgG2) is a member of many immunoglobulin G developed and secreted by effective B cells. In wake of cutting by pepsin, IgG is divided into two F(ab)s with one antigen binding site and a high conserved Fc segment. The Fc segment bears a highly conserved N-glycosylation site. There are two members of IgG2: IgG2a and IgG2b. It was found that IgG2a was superior to IgG1 in activating complement. The glycosylation of the circulating immunoglobulin-γ (IgG) antibody molecules changes in rheumatoid arthritis. Ig gamma-2 chain Fc region contains two constant regions of IgG2 H chain (CH2, CH3).

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