Has antibacterial activity against the Gram-positive bacterium S.aureus 1056 MRSA (MIC=11.48 ug/ml) and the Gram-negative bacterium E.coli O157:H7 (MIC=12.03 ug/ml). Does not have antifungal activity against the yeast C.albicans 3153A. Belongs to the beta-defensin family.