Antimicrobial peptide with potent activity against Gram-positive and Gram-negative bacteria. Activity against E.coli and B.subtilis. Weaker activity against L.mucor, s.marcescens and P.aeruginosa. May play a role in innate host defense. Associates with phospholipid membranes via its amphipathic helix and can insert into the lipid bilayer. Goblet cells. The peptide is disordered in aqueous solution. Belongs to the pleurocidin family.