Preferential cleavage in proteins: -Xaa-|-Lys- (in which Xaa may be Pro). Binds 1 zinc ion per subunit. Inhibited by chelating agents such as EDTA and 1,10-phenanthroline. Binds strongly to beta-1,3-glucan and chitin, major polysaccharides constituting the fungal cell wall. Belongs to the peptidase M35 family.