Shows antifungal activity towards B.cinerea and towards the wheat-specific pathogenic fungi F.culmorum and F.graminearum (groups 1 and 2). Has ribonuclease activity. Inhibited by 5'-ADP. Monomer. Up-regulated by fungal infection, salicylic acid (SA), benzo (1,2,3) thiodiazole-7-carbothioic acid S-methyl ester (BTH), methyl jasmonate (MeJA) and wounding.