Mouse IgG2A Antibody

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Detection of Mouse IgG2A Primary Antibody by Flow Cytometry
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Mouse IgG2A Antibody Summary

Species Reactivity
The specificity of this antibody was confirmed by direct ELISA on mouse IgG2A monoclonal antibodies, and it does not cross-react with IgG1, IgG2B, IgG3, IgM, IgA, or IgE antibodies. By flow cytometry, this isotype-specific secondary antibody detects primary antibodies of the mouse IgG2A isotype, and does not detect primary antibodies of mouse IgG1, IgG2B, or IgG3 class.
Monoclonal Rat IgG1 Clone # 344701
Protein A or G purified from hybridoma culture supernatant
Cocktail of mouse IgG1 and IgG2A
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.


Recommended Concentration
Flow Cytometry
0.25 µg/106 cells
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry Detection of Mouse IgG2A Primary Antibody by Flow Cytometry View Larger

Detection of Mouse IgG2A Primary Antibody by Flow Cytometry Human peripheral blood lymphocytes were stained with A) Mouse Anti-Human CD4 Monoclonal Antibody (Catalog # MAB3791, Mouse IgG2A, filled histogram) or isotype control (Catalog # MAB003, open histogram), or B) Mouse Anti-Human CD8 alpha Monoclonal Antibody(Catalog # MAB1509, Mouse IgG2B, filled histogram) or isotype control (Catalog # MAB0041, open histogram), followed by Rat Anti-Mouse IgG2A isotype-specific secondary antibody (Catalog # MAB0032) and then Allophycocyanin-conjugated Anti-Rat IgG SecondaryAntibody (Catalog # F0113). View our protocol for Staining Membrane-associated Proteins.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IgG2A

IgG is the most abundant of the five classes of mammalian immunoglobulins in serum. IgG molecules (~150 kDa) consist of two ~50 kDa heavy chains and two 25 kDa light chains connected by disulfide bonds. Antibody specificity is conferred by a combination of somatic rearrangement and hypermutation within variable regions. Mouse IgG isotypes IgG1, IgG2a and IgG2b share approximately 64-78% amino acid sequence identity within the heavy chain constant region domains (CH1, CH2 and CH3) and may vary in their interaction with complement, NK and mast cells, induction or inhibition by specific cytokines, and ability to cross the placenta.

Long Name
Immunoglobulin G2A Fc
Alternate Names

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