title: Isolation and comparison of the proenzyme and activated forms of the human serum complement subcomponents C1r and C1s.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003172:Complement C1 / Q000302:isolation & purification / Q000378:metabolism; D003165:Complement System Proteins / Q000302:isolation & purification; D004789:Enzyme Activation; D004792:Enzyme Precursors / Q000302:isolation & purification / Q000378:metabolism; D006461:Hemolysis; D006601:Hexoses / Q000032:analysis; D006801:Humans; D046911:Macromolecular Substances; D008970:Molecular Weight
chemical_list: D000596:Amino Acids; D003172:Complement C1; D004792:Enzyme Precursors; D006601:Hexoses; D046911:Macromolecular Substances; D003165:Complement System Proteins