Pancreatic endopeptidase E (EC22.214.171.124, cholesterol-binding proteinase, proteinase E, cholesterol-binding serine proteinase, pancreatic protease E, pancreatic proteinase E, cholesterol-binding pancreatic proteinase, CBPP, pancreas E proteinase) is an enzyme. This enzyme catalyses the following chemical reaction
Preferential cleavage: Ala-. Does not hydrolyse elastin
^Mallory, P.A.; Travis, J. (1975). "Human pancreatic enzymes: purification and characterization of a nonelastolytic enzyme, protease E, resembling elastase". Biochemistry. 14 (4): 722–729. PMID234742. doi:10.1021/bi00675a012.
^Shen, W.; Fletcher, T.S.; Largman, C. (1987). "Primary structure of human pancreatic protease E determined by sequence analysis of the cloned mRNA". Biochemistry. 26: 3447–3452. PMID3477287. doi:10.1021/bi00386a030.