antigenic determinant

antigenic determinant
(= epitope)
That part of an antigenic molecule against which a particular immune response is directed. For instance a tetra- to penta-peptide sequence in a protein, a tri- to penta-glycoside sequence in a polysaccharide. See also hapten. In the animal most antigens will present several or even many antigenic determinants simultaneously.

Dictionary of molecular biology. 2004.

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Look at other dictionaries:

  • antigenic determinant — n EPITOPE * * * a site on the surface of an antigen molecule to which a single antibody molecule binds; generally an antigen has several or many different antigenic determinants and reacts with antibodies of many different specificities. Called… …   Medical dictionary

  • antigenic determinant — The individual surface feature of an antigen, that elicits the production of a specific antibody in the course of the immune response. Each antigenic determinant, typically a few amino acids in size, causes the synthesis of a different antibody… …   Glossary of Biotechnology

  • antigenic determinant — Immunol. determinant (def. 3). [1905 10] * * * …   Universalium

  • antigenic determinant — noun the site on the surface of an antigen molecule to which an antibody attaches itself • Syn: ↑determinant, ↑epitope • Topics: ↑immunology • Hypernyms: ↑site, ↑situation …   Useful english dictionary

  • antigenic determinant — noun Date: 1950 epitope …   New Collegiate Dictionary

  • antigenic determinant —    The particular site on an antigen molecule which combines with the corresponding antibody …   Forensic science glossary

  • antigenic determinant — noun Biochemistry another term for epitope …   English new terms dictionary

  • antigenic determinant — antigen′ic deter′minant n. imu epitope • Etymology: 1905–10 …   From formal English to slang

  • antigenic determinant site — (epitope) See epitope …   Dictionary of microbiology

  • determinant — /di terr meuh neuhnt/, n. 1. a determining agent or factor. 2. Math. an algebraic expression of the sum of products of elements, each with an appropriate algebraic sign, usually written in a square array and used in the solution of systems of… …   Universalium

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