Cell death-inducing epitopes and polypeptides containing the same. Also disclosed are compounds for inducing death of activated T-cell, a method of producing antibodies to the epitopes, a method of identifying compounds that bind to the epitopes, a method of inducing death of activated T-cells, and pharmaceutical compositions containing the compounds.在此揭露一種細胞死亡誘導表位以及含有該些表位之聚胜肽(polypeptide)。本發明亦揭露多種可誘導已活化T細胞死亡的化合物、一種製造可辨識該些表位之抗體的方法、一種鑑定可與該些表位結合之化合物的方法、一種誘導已活化T細胞死亡的方法以及揭露多種含有該些化合物的組合物。