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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 .
In immunology, an idiotope is the unique set of antigenic determinants (epitopes) of the variable portion of an antibody. [1] In some cases it can be the actual antigen-binding site, and in some cases it may comprise variable region sequences outside of the antigen-binding site on the antibody itself.
A peptide microarray (also commonly known as peptide chip or peptide epitope microarray) is a collection of peptides displayed on a solid surface, usually a glass or plastic chip. Peptide chips are used by scientists in biology, medicine and pharmacology to study binding properties and functionality and kinetics of protein-protein interactions ...
The antigenic determinant or epitope is recognized by the paratope of the antibody, ... For example, the reaction is a reversible one, and can be expressed as: [11]
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).
The first use of epitope tagging was described by Munro and Pelham in 1984. [4] The FLAG-tag was the second example of a fully functional, improved epitope tag, published in the scientific literature. [1] [5] [6] and was the only epitope tag to be patented. [7] [8] It has since become one of the most commonly used protein tags in laboratories ...
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In immunology, epitope mapping is the process of experimentally identifying the binding site, or epitope, of an antibody on its target antigen (usually, on a protein). [ 1 ] [ 2 ] [ 3 ] Identification and characterization of antibody binding sites aid in the discovery and development of new therapeutics , vaccines , and diagnostics .