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. Optimum pH is 9.5. Active from pH 6 to pH 10.5. Stable from pH 5 to pH 10. Thermostable for 3 hours up to 80 degrees Celsius. Binds strongly to beta-1,3-glucan and chitin, major polysaccharides constituting the fungal cell wall. Belongs to the peptidase M35 family.