What are the subclasses of immunoglobulin A (IgA)? | AAT Bioquest

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What are the subclasses of immunoglobulin A (IgA)?

Posted July 31, 2024

Antibodies and Proteomics Bioconjugation Chemical Reagents Antibody and Protein Labeling Physiological Probes

Answer

There are two subclasses of Immunoglobulin A (IgA) in humans – IgA1 and IgA2. These subclasses differ in the molecular mass of their heavy chains, structure of their hinge region, and concentration in serum.

Additional resources

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