The function of Ensembl gene identifier ENSG00000158477 (CD1A, CD1a molecule) is as follows. Antigen-presenting protein that binds self and non-self lipid and glycolipid antigens and presents them to T-cell receptors on natural killer T-cells. {ECO:0000269|PubMed:11231314, ECO:0000269|PubMed:16272286, ECO:0000269|PubMed:18178838}.