And so collagenase is the enzyme that catalyzes the cleavage of peptide bonds in collagen. And this can either actually activate that collagen molecule or it can break down that collagen molecule and destroy that collagen structure. And this process is important in remodeling of the extracellular environment as well as the development of the embryo. So collagenase can be used to activate collagen as well as break down collagen during the process of embryological development as well as the remodeling of the extracellular environment. And just like collagen exists in a zymogen form we call pro collagen, collagenase also exists in a zymogen form called procologenase. So we have all these different types of enzymes found inside our bodies which depend on proteolytic activation to actually be activated and to exist in their fully functional form.