Has bactericidal activity. Potent activity against E.coli, L.monocytogenes, S.typhimurium and S.pyogenes but mot against S.aureus. Has bactericidal activity. Expressed in the liver, gall bladder, kidney, small intestine, spleen, testis, ovary and male and female reproductive tracts. Not detected in the ovarian stroma and the theca and granulosa layers of the ovarian follicle. Belongs to the beta-defensin family.