Antimicrobial peptide. Active against fungal species B.cinerea (IC(50)=5.8 uM) and A.niger (IC(50)=5.6 uM) but not against F.oxysporum, F.graminearum, B.sorokinina and P.debaryanum at concentrations below 10 uM. Active against bacterial species P.syringae, B.subtilis and X.campestris. Expressed in flowers but not in leaves, seeds or roots (at protein level). Disulfide bonds.