Immunogen sequence: TYQVVLGEYD RAVKEGPEQV IPINSGDLFV HPLWNRSCVA CGNDIALIKL SRSAQLGDAV QLASLPPAGD ILPNETPCYI TGWGRLYTNG PLPDKLQEAL LPVVDYEHCS R; Positive Samples: Rat pancreas. Efficient protease with alanine specificity but only little elastolytic activi