In low salt conditions, has antibacterial activity against the Gram-negative bacterium E.coli ML35p (MIC=2.4 uM), the Gram-positive bacteria L.monocytogenes EGD (MIC=2.2 uM) and methicillin-resistant S.aureus ATCC 33591 (MIC=3.5 uM), and the fungus C.albicans 820 (MIC=3.9 uM). At high physiological salt concentrations the antimicrobial activity decreases significantly: E.coli ML35p (MIC=7.1 uM), L.monocytogenes EGD (MIC=1.8 uM), S.aureus ATCC 33591 (MIC=>50 uM), and C.albicans 820 (MIC=>50 uM). Belongs to the alpha-defensin family.