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T cell antigen receptor
[t_ˈiː s_ˈɛ_l ˈa_n_t_ɪ_dʒ_ˌɛ_n ɹ_ɪ_s_ˈɛ_p_t_ə], [tˈiː sˈɛl ˈantɪd͡ʒˌɛn ɹɪsˈɛptə], [tˈiː sˈɛl ˈantɪdʒˌɛn ɹɪsˈɛptə]
Definitions of T Cell Antigen Receptor
Molecules on the surface of T- lymphocytes that recognize and combine with antigens. The receptors are non- covalently associated with a complex of several polypeptides collectively called CD3 antigens ( ANTIGENS, CD3). Recognition of foreign antigen and the major histocompatibility complex is accomplished by a single heterodimeric antigen- receptor structure, composed of either alpha- beta ( RECEPTORS, ANTIGEN, T- CELL, ALPHA- BETA) or gamma- delta ( RECEPTORS, ANTIGEN, T- CELL, GAMMA- DELTA) chains.