Shows antibacterial activity against numerous Gram-positive bacteria (Probable). It selectively inhibits peptidoglycan biosynthesis through complex formation with the cell wall precursor lipid II (1:1 molar ratio) thus inhibiting cell wall synthesis (PubMed:20508130). Expressed in hemolymph, gills, digestive gland, foot, adductor muscles and mantle. Contains 5 disulfide bonds.