antigen-combining site
1antigen-binding site — antigen combining site the region of the immunoglobulin molecule that binds to antigens; there is one such site on each of the two Fab regions of each immunoglobulin monomer …
2combining site — antigen binding s …
3combining site — Any region of a molecule that binds or reacts with a given compound. Especially of the region of immunoglobulin that combines with the determinant of an appropriate antigen …
4site — A place or location or locus. SYN: situs. [L. situs] acceptor s. the ribosomal binding s. for the aminoacyl tRNA during protein synthesis. acceptor splicing s. SYN: right splicing junction. active s. that portion of an …
5B lymphocytes — bursa dependent lymphocytes in birds and their counterparts in nonavian vertebrates including human beings, the cells primarily responsible for humoral immunity, the precursors of antibody producing cells (plasma cells). In birds maturation of… …
6anti-idiotype — noun Date: 1975 an antibody that binds to the antigen combining site of another antibody either suppressing or enhancing the immune response • anti idiotypic adjective …
7idiotype — The antigenic specificities defined by the unique sequences (idiotopes) of the antigen combining site. Thus anti idiotype antibodies combine with those specific sequences, may block immunological reactions, and may resemble the epitope to which… …
8immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
9antibody — An immunoglobulin molecule produced by B lymphoid cells with a specific amino acid sequence evoked in humans or other animals by an antigen (immunogen). These molecules are characterized by reacting specifically with the antigen in some… …
10Antibody — Immunoglobulin redirects here. For the immunoglobulin family, see Immunoglobulin superfamily. Antibodies redirects here. For the film, see Antibodies (film). Each antibody binds to a specific antigen; an interaction similar to a lock and key. An… …