T-Cell-Specific Surface Glycoprotein CD28

**Semantic type:** Amino Acid, Peptide, or Protein|Receptor

**Definition:** T-cell-specific surface glycoprotein CD28 (220 aa, ~25 kDa) is encoded by the human CD28 gene. This protein is involved in the survival and activation of T-lymphocytes.

**Synonyms:** - Antigen CD28 - CD28 - CD28 Antigen - T-Cell Antigen CD28 - T-Cell Specific Surface Glycoprotein CD28 - T-Cell-Specific Surface Glycoprotein - T90/44 - Tp44