ID 3.4.21.76 DE Myeloblastin. AN Leukocyte proteinase 3. AN Proteinase 3. AN Wegener's autoantigen. CA Hydrolysis of proteins, including elastin, by preferential cleavage: CA -Ala-|-Xaa- > -Val-|-Xaa-. CC -!- Not inhibited by secretory leukocyte proteinase inhibitor. CC -!- Belongs to peptidase family S1. PR PROSITE; PDOC00124; DR P24158, PRTN3_HUMAN; Q61096, PRTN3_MOUSE; //