Complement C3Complement C4Complement ActivationComplement System ProteinsComplement C4aComplement C1qComplement C3aComplement C5Complement C5aComplement C3bComplement C4bComplement C6Complement C9Complement C2Receptors, ComplementComplement C3dComplement C3cComplement Membrane Attack ComplexComplement Inactivator ProteinsComplement Pathway, AlternativeComplement Pathway, ClassicalComplement C1sComplement Factor BComplement C3-C5 ConvertasesComplement C7Complement C1Complement C8Complement C1rComplement Factor HReceptors, Complement 3bComplement Inactivating AgentsComplement Activating EnzymesComplement Hemolytic Activity AssayComplement C5bReceptors, Complement 3dComplement Fixation TestsReceptor, Anaphylatoxin C5aBacteriolysisComplement C1 Inactivator ProteinsComplement Factor DAnaphylatoxinsComplement C2aHemolysisComplement Factor IComplement C3b Inactivator ProteinsAntigens, CD55Complement C4b-Binding ProteinAntigens, CD59Molecular Sequence DataCobra VenomsAmino Acid SequenceCytotoxicity, ImmunologicImmunoglobulin GComplement C1 Inhibitor ProteinAntigen-Antibody ComplexComplement C3 Convertase, Alternative PathwayBacterial ProteinsAntigens, CD46PhagocytosisComplement Pathway, Mannose-Binding LectinComplement C2bProperdinOpsonin ProteinsBase SequenceGenetic Complementation TestComplement C3-C5 Convertases, Classical PathwayMice, Inbred C57BLCell LineProtein BindingErythrocytesAntibodies, MonoclonalMutationNeutrophilsImmunity, InnateEscherichia coliCells, CulturedAntibody-Dependent Cell CytotoxicityBlood ProteinsSteroid 21-HydroxylaseComplement C3 Convertase, Classical PathwayComplement C3-C5 Convertases, Alternative PathwayMacrophage-1 AntigenMacrophagesLupus Erythematosus, SystemicComplement C5a, des-ArginineComplement C5 Convertase, Classical PathwayCloning, MolecularMice, Inbred BALB CKiller Cells, NaturalRecombinant ProteinsImmunoglobulin MCytotoxicity Tests, ImmunologicRabbitsEnzyme-Linked Immunosorbent AssayHost-Pathogen InteractionsPlant DiseasesAntibodiesBlood Bactericidal ActivitySpecies SpecificityMice, Knockout