title: Activation of the complement system by antibody-antigen complexes: the classical pathway.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000936:Antigen-Antibody Complex; D002241:Carbohydrates / Q000032:analysis; D003167:Complement Activation; D003172:Complement C1 / Q000378:metabolism; D003175:Complement C2 / Q000378:metabolism; D003176:Complement C3 / Q000378:metabolism; D003181:Complement C4 / Q000378:metabolism; D003182:Complement C5 / Q000378:metabolism; D003171:Complement Pathway, Classical; D003165:Complement System Proteins / Q000378:metabolism*; D004789:Enzyme Activation; D006801:Humans; D046911:Macromolecular Substances; D008970:Molecular Weight; D011485:Protein Binding
chemical_list: D000936:Antigen-Antibody Complex; D002241:Carbohydrates; D003172:Complement C1; D003175:Complement C2; D003176:Complement C3; D003181:Complement C4; D003182:Complement C5; D046911:Macromolecular Substances; D003165:Complement System Proteins