Enzyme Nomenclature cont. ◼ hydrolysis - hydrolases oxidation - oxidases ◼ This rule does not always apply. E.g. ficin found in figs and papain in papayas.Enzyme Nomenclature cont. ◼ hydrolysis - hydrolases oxidation - oxidases ◼ This rule does not always apply. E.g. ficin found in figs and papain in papayas