title: Leupeptin inhibits the C3/5 convertase CVFBb of the complement system.
mesh_terms: D003173:Complement C1s; D050577:Complement C3-C5 Convertases / Q000037:antagonists & inhibitors*; D011415:Complement Factor B / Q000037:antagonists & inhibitors*; D003169:Complement Inactivator Proteins; D003165:Complement System Proteins; D004546:Elapid Venoms / Q000037:antagonists & inhibitors*; D004792:Enzyme Precursors / Q000037:antagonists & inhibitors*; D007700:Kinetics; D007976:Leupeptins / Q000494:pharmacology*; D009842:Oligopeptides / Q000494:pharmacology*
chemical_list: D003169:Complement Inactivator Proteins; D004546:Elapid Venoms; D004792:Enzyme Precursors; D007976:Leupeptins; D009842:Oligopeptides; D003165:Complement System Proteins; D050577:Complement C3-C5 Convertases; D003173:Complement C1s; D011415:Complement Factor B