Some duplication events led to an expansion of clade B Serine Protease Inhibitors (and located in human being 18q21. associated CRL2 with the deleterious effects of uncontrolled proteolysis. Therefore, the rules of endogenous proteases is vital in the maintenance of organisms’ homeostasis and health status [1], [2]. Serine protease inhibitors (SERPINs) are key elements in […]