ELISA, Western Blot. Anti-Human IgG4 Antibody has been tested in IEP, WB, and ELISA. May be useful in multiple assays. Specific conditions for reactivity should be optimized by the end user.
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Description
This purified monoclonal antibody is directed against Human IgG4 and is purified by Protein A chromatography. Cross reactivity with other animal sera has not been tested. Human IgG purified protein (Immunoglobulin G) are antibody molecules. Human IgG is composed of four peptide chains - two heavy chains gamma and two light chains held together by disulfide bonds. The resulting Y structure has two identical halves which at the end of each end contains an identical antigen binding site. The Fc regions of IgGs bear a highly conserved N-glycosylation site. IgG affinity to the Fc receptors is specific to the host as well as class. Humans have 4 subclasses (IgG1, 2, 3, 4) present in serum, with IgG1 being most abundant and has the highest affinity to the Fc receptor. IgG4 is the least abundant subclass with the intermediate affinity for Fc binding. Secondary Antibodies are available in a variety of formats and conjugate types. When choosing a secondary antibody product, consideration must be given to species and immunoglobulin specificity, conjugate type, fragment and chain specificity, level of cross-reactivity, and host-species source and fragment composition.
Immunogen
Mouse monoclonal Anti-Human IgG4 was produced in mice by repeated immunizations with purified human IgG4 myeloma.