A glycoprotein composed of “heavy” and “light” peptide chains; functions as antibody in serum and secretions. There are five major classes (IgG, IgA, IgM, IgE, and IgD), each with specialized functions.
A protein that acts as an antibody.
A member of a family of proteins from which antibodies are derived. There are five main classes in humans known as IgM, IgG, IgA, IgD and IgE.
A class of (blood) serum proteins representing antibodies. Often used, along with the more specific monoclonal antibodies, in health diagnostic reagents. In certain people who are genetically predisposed to foodbome allergies, immunoglobulin-E (IgE) initiates an immune system response to antigen( s) present on protein molecule(s) in the particular food that person is allergic to. Severe allergic reactions to foods may lead to death.
A protein of animal origin with known antibody activity.
A protein that can act as an antibody.