MAGE-3 (271-279) huaman, is a 271-279 residue peptide derived from melanoma antigens encoded by MAGE-3. MAGE-3 is a cytolytic T lymphocyte (CTL)-defined MAGE-3 protein associated with the human leukocyte antigen (HLA)-A2 molecule. MAGE-3 is overexpressed in different human tumor types, including malignant melanoma, but not by normal tissues except for testis and placenta.