title: Fourth component of human complement: studies of an amine-sensitive site comprised of a thiol component.
mesh_terms: D003176:Complement C3; D003181:Complement C4; D004591:Electrophoresis, Polyacrylamide Gel; D006461:Hemolysis; D006801:Humans; D007202:Indicators and Reagents; D007700:Kinetics; D013438:Sulfhydryl Compounds / Q000032:analysis
chemical_list: D003176:Complement C3; D003181:Complement C4; D007202:Indicators and Reagents; D013438:Sulfhydryl Compounds