CD57 Antigen

**Semantic type:** Immunologic Factor|Organic Chemical

**Definition:** A carbohydrate molecule that contains a sulfoglucuronyl residue and found predominantly on the surface of natural killer cells. It is involved in the modulation of cell-cell and cell-matrix interactions.

**Synonyms:** - CD57 - HNK-1 - HNK1 - Human Natural Killer-1 Antigen - L2/HNK-1 - Leu7