Receptors, Antigen, T-Cell, alpha-beta

**Definition:** T-cell receptors composed of CD3-associated alpha and beta polypeptide chains and expressed primarily in CD4+ or CD8+ T-cells. Unlike immunoglobulins, the alpha-beta T-cell receptors recognize antigens only when presented in association with major histocompatibility (MHC) molecules.

**Tree numbers:** - D12.776.543.750.705.816.824.825

**Synonyms:** - Receptors, Antigen, T Cell, alpha beta - T Cell Receptors, alpha beta - T-Cell Receptor, alpha-beta - T-Cell Receptors, alpha-beta - TcR alpha-beta - Antigen Receptors, T-Cell, alpha-beta