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An epitope, also known as antigenic determinant, is the part of an antigen that is recognized by the immune system, specifically by antibodies, B cells, or T cells. The part of an antibody that binds to the epitope is called a paratope .
Recognition of epitopes in a linear fashion. Note: the same (colored) segment of protein can be a part of more than one epitopes. In immunology, a linear epitope (also sequential epitope) is an epitope—a binding site on an antigen—that is recognized by antibodies by its linear sequence of amino acids (i.e. primary structure).
Epitopes, also referred to as antigenic determinants, are parts of an antigen that are recognized by the immune system. A neoepitope is an epitope the immune system has not encountered before. Therefore it is not subject to tolerance mechanisms of the immune system. [4]
He defined idiotype as the set of epitopes on the V region of an antibody molecule, where epitope means an antigenic determinant. He also defined the " paratope " to be that part of an antibody variable region that binds to an antigen.
Epitope – the distinct surface features of an antigen, its antigenic determinant. Antigenic molecules, normally "large" biological polymers, usually present surface features that can act as points of interaction for specific antibodies. Any such feature constitutes an epitope.
The antigenic determinant or epitope is recognized by the paratope of the antibody, situated at the variable region of the polypeptide chain. The variable region in turn has hyper-variable regions which are unique amino acid sequences in each antibody.
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This site binds to a portion of the antigen called an antigenic determinant or epitope. The binding, like that between an enzyme and its substrate, depends on complementarity of the surface of the receptor and the surface of the epitope and occurs mainly by non-covalent forces. Successful binding of the antigen receptor to the epitope, if ...