T-Cell Surface Glycoprotein CD4

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

**Definition:** T-cell surface glycoprotein CD4 (458 aa, ~51 kDa) is encoded by the human CD4 gene. This protein plays a role in antigen recognition and HIV entry.

**Synonyms:** - CD4 - CD4 - CD4 Antigen - CD4 Antigen (P55) - CD4 Protein - OKT4 Antigen - T-Cell Antigen T4/Leu3 - T-Cell Surface Antigen T4/Leu-3