3.4.21.37	alpha1-PI + H2O	important antiprotease of the lung, enzyme reduces the lungs’ primary protection against proteolysis	
3.4.21.37	annexin 1 + H2O	annexin 1 is externalized and truncated upon adhesion of polymorphonuclear leukocytes to endothelial cells, annexin 1 participates in regulating leukocyte emigration into inflamed tissue through N-terminal peptides generated at inflammatory sites, overview	
3.4.21.37	Antithrombin III + H2O	degradation	
3.4.21.37	BP180/type XVII collagen + H2O	neutrophil elastase degrades recombinant mouse BP180 within the immunodominant extracellular domain at amino acid positions 506 and 561	
3.4.21.37	coagulation factor V + H2O	-	
3.4.21.37	coagulation factor VIII + H2O	-	
3.4.21.37	coagulation factor XI + H2O	-	
3.4.21.37	coagulation factor XIII + H2O	-	
3.4.21.37	Collagen + H2O	-	
3.4.21.37	Collagen + H2O	degradation