
Keywords: EP; endopeptidase; PAGE; polyacrylamide gel electrophoresis; SDS; sodium dodecylsulfate; DMSO; dimethyl sulfoxide; DTT; dithiothreitol; AEBSF; 4-(2-aminoethyl) benzene sulfonyl fluoride hydrochloride; PMSF; phenylmethanesulfonyl fluoride; EGTA; ethylene g