Has antifungal activity against A.niger (IC(50)=5.4 uM), B.sorokiniana (IC(50)=2.0 uM), B.cinerea (IC(50)=1.6 uM), F.solani (IC(50)=3.7 uM) and A.alternata (IC(50)=5.0 uM). Binds chitin in vitro. Has no antibacterial activity at concentrations up to 10 uM. Expressed in leaf, flower, stem and seed with highest expression in leaf (at protein level). Contains 3 disulfide bonds.