Is potently cytotoxic (EC(50) value 79 ng/mL) towards L1210 mouse leukemia cells, has hemagglutination activity on sheep erythrocytes, and is lethal in crayfish. Has no phospholipase A2 activity. Is not glycosylated. LD(50) is 106 mu/kg in crayfish. Belongs to the dermatopontin family.