title: The proteolytic activation systems of complement.
mesh_terms: D000595:Amino Acid Sequence; D002352:Carrier Proteins / Q000378:metabolism; D003166:Complement Activating Enzymes / Q000378:metabolism; D003172:Complement C1 / Q000378:metabolism; D003175:Complement C2 / Q000378:metabolism; D003176:Complement C3 / Q000378:metabolism; D050577:Complement C3-C5 Convertases / Q000378:metabolism; D003181:Complement C4 / Q000378:metabolism; D003182:Complement C5 / Q000378:metabolism; D011415:Complement Factor B / Q000378:metabolism; D011416:Complement Factor D / Q000378:metabolism; D003169:Complement Inactivator Proteins; D003165:Complement System Proteins / Q000378:metabolism*; D004789:Enzyme Activation; D006023:Glycoproteins; D006801:Humans; D007700:Kinetics; D046911:Macromolecular Substances; D008970:Molecular Weight; D013379:Substrate Specificity
chemical_list: D002352:Carrier Proteins; D003172:Complement C1; D003175:Complement C2; D003176:Complement C3; D003181:Complement C4; D003182:Complement C5; D003169:Complement Inactivator Proteins; D006023:Glycoproteins; D046911:Macromolecular Substances; D003165:Complement System Proteins; D003166:Complement Activating Enzymes; D050577:Complement C3-C5 Convertases; C493488:CFD protein, human; D011416:Complement Factor D; D011415:Complement Factor B