Some enzymes are only inactive precursors of enzymes when they are synthesized or released in cells. Under certain conditions, the precursors of these enzymes must be hydrolyzed to open one or several specificPeptide bond, resulting inconformationIt changes and shows enzyme activity.The precursor of this inactive enzyme is called zymogen.
Some enzymes are only inactive precursors of enzymes when they are synthesized or initially secreted in cells. The precursor material is called zymogen, and the function of transforming zymogen into active enzyme is calledZymogen activation（zymogen activation）。
