Tags: Enzyme.
Myeloblastin (EC 3.4.21.76 leukocyte proteinase 3 leukocyte proteinase 4 Wegener’s granulomatosis autoantigen proteinase PR-3 proteinase-3 PMNL proteinase) is an enzyme. This enzyme catalyses the following chemical reaction Hydrolysis of proteins including elastin by preferential cleavage: -Ala- > -Val-This enazyme is present in polymorphonuclear leukocyte granules.