3.4.21.20	azurophil granule	-	42582	36500, 664269, 665169, 665913, 709987	
3.4.21.20	cell surface	-	9986	718143, 753787	
3.4.21.20	cell surface	active enzyme	9986	683193	
3.4.21.20	cell surface	expression at high levels on the surface of activated human neutrophils in catalytically active but inhibitor-resistant form	9986	683644	
3.4.21.20	cytoplasmic vesicle	-	31410	653667	
3.4.21.20	endocytic vesicle	-	30139	709987	
3.4.21.20	extracellular	-	-	653069, 653984	
3.4.21.20	extracellular	active enzyme	-	683193	
3.4.21.20	extracellular	enzyme is released on degranulation of neutrophils	-	651583	
3.4.21.20	intracellular	-	5622	709983