title: Purification of platelet proteases: activation of proelastase by a trypsin-like enzyme.
mesh_terms: D001792:Blood Platelets / Q000201:enzymology*; D002846:Chromatography, Affinity; D002918:Chymotrypsin / Q000097:blood / Q000302:isolation & purification; D004789:Enzyme Activation; D004792:Enzyme Precursors / Q000097:blood* / Q000302:isolation & purification; D006801:Humans; D010179:Pancreas / Q000201:enzymology; D010196:Pancreatic Elastase / Q000097:blood*; D014357:Trypsin / Q000097:blood* / Q000302:isolation & purification
chemical_list: D004792:Enzyme Precursors; D002918:Chymotrypsin; D010196:Pancreatic Elastase; D014357:Trypsin