Mast cell degranulating peptide. Has little hemolytic activity. Shows antimicrobial activity against the Gram-negative bacteria E.coli ATCC 25922 (MIC=7.5 ug/ml), the Gram-positive bacteria S.aureus ATCC 2592 (MIC=3.7 ug/ml) and the fungus C.albicans ATCC 2002 (MIC=3.7 ug/ml). Expressed by the venom gland. Belongs to the MCD family. Mastoparan subfamily.