Has antimicrobial activity against Gram-negative bacterium E.coli ATCC 25922 (MIC=50 uM) and against fungus C.albicans ATCC 90028 (MIC=100 uM). Has no hemolytic activity against human erythrocytes even at high concentrations. Expressed by the skin glands. Belongs to the gastrin/cholecystokinin family. Magainin subfamily.