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A 42-year-old member asked:

What are structural differences of the immunoglobulins?

1 doctor answer3 doctors weighed in
Dr. Michael P Vaughn
Allergy and Immunology 35 years experience
Antibodies: Structural difference exist for all classes of antibody; igg, igm, iga, ige and igd. The structure of the antibody is insignificant when compared to the common ability to bind specifically to an antigen, typically a foreign protein or carbohydrate. Structural differences do account for different immune cell binding properties and also complement fixation (which helps in defense).
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Last updated Sep 13, 2012
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