Maximin-3 shows antibacterial activity against both Gram-positive and Gram-negative bacteria. It shows also antimicrobial activity against the fungus C.albicans, but not against A.flavus nor P.uticale. It has little hemolytic activity. It possess a significant cytotoxicity against tumor cell lines. It possess a significant anti-HIV activity. It shows high spermicidal activity. Maximin-H2 shows antibacterial activity against both Gram-positive and Gram-negative bacteria. It shows also antimicrobial activity against the fungus C.albicans. Shows strong hemolytic activity. Expressed by the skin glands. LD(50) is 4.3 mg/kg by intraperitoneal injection into mice. Belongs to the bombinin family.