variable region

variable region
variable region n the part of the polypeptide chain of a light or heavy chain of an antibody that ends in a free amino group -NH2, that varies greatly in its sequence of amino acid residues from one antibody to another, and that prob. determines the conformation of the combining site which confers the specificity of the antibody for a particular antigen called also variable domain compare CONSTANT REGION

Medical dictionary. 2011.

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  • variable region — noun also variable domain : the part of the polypeptide chain of a light or heavy chain of an antibody that ends in a free amino group −NH2, that varies greatly in its sequence of amino acid residues from one antibody to another, and that prob.… …   Useful english dictionary

  • variable region — (VL and VH) The region at the N terminal end of immunoglobulin heavy and light chains whose amino acid sequence varies between antibodies of different specificity. Variable regions form the antigen binding site …   Dictionary of microbiology

  • variable region — See V region …   Dictionary of molecular biology

  • variable region —    A region in an immunoglobin molecule that shows many sequence differences between antibodies of different specificities; the part of the antibody that binds to the antigen …   Forensic science glossary

  • variable region — Immunol. a configuration in the upper branches of the Y of an antibody molecule, unique in each antibody type, that binds with the determinant of a specific antigen. * * * …   Universalium

  • variable domain — noun see variable region …   Useful english dictionary

  • région — [ reʒjɔ̃ ] n. f. • 1380; « pays » XIIe; lat. regio « direction; frontière, contrée », de regere 1 ♦ Territoire relativement étendu, possédant des caractères physiques et humains particuliers qui en font une unité distincte des régions voisines ou …   Encyclopédie Universelle

  • Región H II — Saltar a navegación, búsqueda …   Wikipedia Español

  • Variable de type RR Lyræ — Variable de type RR Lyrae Diagramme de Hertzsprung Russell avec les zones où se situent divers types d étoiles variables, parmi lesquelles les céphéides et les RR Lyrae (en vert). En astronomie, les RR Lyrae sont des étoiles variables, nommées d… …   Wikipédia en Français

  • Variable de type rr lyrae — Diagramme de Hertzsprung Russell avec les zones où se situent divers types d étoiles variables, parmi lesquelles les céphéides et les RR Lyrae (en vert). En astronomie, les RR Lyrae sont des étoiles variables, nommées d après l étoile prototype… …   Wikipédia en Français

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