The specificity of this antibody was confirmed by direct ELISA on mouse IgG2B monoclonal antibodies, and it does not cross-react with IgG1, IgG2A, IgG3, IgM, IgA, or IgE antibodies. By flow cytometry, this isotype-specific secondary antibody detects primary antibodies of the mouse IgG2B isotype, and does not detect primary antibodies of mouse IgG1, IgG2A, or IgG3 class.
Monoclonal Rat IgG1 Clone # 332723
Protein A or G purified from hybridoma culture supernatant
Cocktail of mouse IgG2B and IgG3
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Detection of Mouse IgG2B Primary Antibody by Flow Cytometry
Human peripheral blood lymphocytes were stained with A) Mouse Anti-Human CD8 alpha Monoclonal Antibody (Catalog # MAB1509, Mouse IgG2B, filled histogram) or isotype control (Catalog # MAB0041, open histogram), or B) Mouse Anti-Human CD4 Monoclonal Antibody (Catalog # MAB3791, Mouse IgG2A, filled histogram) or isotype control (Catalog # MAB003, open histogram), followed by Rat Anti-Mouse IgG2B isotype-specific secondary antibody (Catalog # MAB0043) and then Allophycocyanin-conjugated Anti-Rat IgG SecondaryAntibody (Catalog # F0113). View our protocol for Staining Membrane-associated Proteins.
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.
R&D Systems offers a range of secondary antibodies and controls for flow cytometry, immunohistochemistry, and Western blotting. We provide species-specific secondary antibodies that are available with a variety of conjugated labels.
Our NorthernLights fluorescent secondary antibodies are bright and resistant to photobleaching. We are currently offering secondary antibodies recognizing mouse, rat, goat, sheep, and rabbit IgG as well as chicken IgY. These reagents are available with three distinct excitation and emission maxima, making them ideal for multi-color fluorescence microscopy.
Immunoglobulin G2B Fc
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