CD2 Antigens

**Definition:** Glycoprotein members of the immunoglobulin superfamily which participate in T-cell adhesion and activation. They are expressed on most peripheral T-lymphocytes, natural killer cells, and thymocytes, and function as co-receptors or accessory molecules in the T-cell receptor complex.

**Tree numbers:** - D23.050.301.264.894.090 - D23.101.100.894.090

**Synonyms:** - T11 Erythrocyte-Binding Glycoprotein - CD2 Antigen - Antigens, CD2