T-Lymphocyte Activation Antigen CD80

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

**Definition:** T-lymphocyte activation antigen CD80 (288 aa, ~33 kDa) is encoded by the human CD80 gene. This protein is involved in the regulation of T-cell activation.

**Synonyms:** - Activation B7-1 Antigen - B-lymphocyte Activation Antigen B7-1 - B7 - B7-1 - B71 Antigen - BB1 - CD28 Antigen Ligand 1 - CD28LG - CD28LG1 - CD80 - CD80 Antigen - CTLA-4 Counter-Receptor B7.1 - LAB7