Has antimicrobial activity against the Gram-positive bacteria methicillin-resistant S.aureus ATCC 33591 and L.monocytogenes EGD, the Gram-negative bacterium E.coli ML53p and the yeast C.albicans 820. Has no hemolytic activity towards human erythrocytes. Monomer. Homodimer. Associates with tumor cell membrane-derived microvesicles. Belongs to the beta-defensin family.