title: Proteins involved in the activation and control of the two pathways of human complement.
mesh_terms: D000595:Amino Acid Sequence; D000937:Antigen-Antibody Reactions; D001665:Binding Sites; D001798:Blood Proteins / Q000276:immunology*; D055598:Chemical Phenomena; D002621:Chemistry; D003166:Complement Activating Enzymes / Q000276:immunology; D003167:Complement Activation; D003172:Complement C1 / Q000276:immunology; D015922:Complement C1q; D015923:Complement C1r; D003173:Complement C1s; D003176:Complement C3 / Q000276:immunology; D003179:Complement C3b / Q000276:immunology; D003181:Complement C4 / Q000276:immunology; D003165:Complement System Proteins / Q000276:immunology*; D005353:Fibronectins / Q000276:immunology; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology; D007136:Immunoglobulins / Q000276:immunology; D008854:Microscopy, Electron; D011487:Protein Conformation
chemical_list: D001798:Blood Proteins; D003172:Complement C1; D003176:Complement C3; D003181:Complement C4; D005353:Fibronectins; D007074:Immunoglobulin G; D007136:Immunoglobulins; D015922:Complement C1q; D003179:Complement C3b; D003165:Complement System Proteins; D003166:Complement Activating Enzymes; D015923:Complement C1r; D003173:Complement C1s