Mast CellsComplement C3Complement C4Complement ActivationComplement System ProteinsComplement C4aComplement C1qComplement C3aComplement C5Complement C5aComplement C3bComplement C4bComplement C6Complement C9Receptors, ComplementComplement C2Complement C3dComplement C3cComplement Membrane Attack ComplexComplement Inactivator ProteinsComplement Pathway, AlternativeComplement Pathway, ClassicalComplement C1sComplement Factor BComplement C7Complement C3-C5 ConvertasesComplement C1Complement C8Complement C1rComplement Factor HReceptors, Complement 3bComplement Inactivating AgentsComplement Activating EnzymesCell DegranulationComplement Hemolytic Activity AssayComplement C5bReceptors, Complement 3dComplement Fixation TestsReceptor, Anaphylatoxin C5aHistamine ReleaseBacteriolysisComplement C1 Inactivator ProteinsAnaphylatoxinsComplement Factor DComplement C2aHemolysisComplement Factor IComplement C3b Inactivator ProteinsAntigens, CD55Antigens, CD59Complement C4b-Binding ProteinTryptasesChymasesReceptors, IgEp-Methoxy-N-methylphenethylamineMolecular Sequence DataImmunoglobulin ECells, CulturedCobra VenomsMice, Inbred C57BLCytotoxicity, ImmunologicAmino Acid SequenceImmunoglobulin GAntigen-Antibody ComplexMastocytosisComplement C1 Inhibitor ProteinSerine EndopeptidasesComplement C3 Convertase, Alternative PathwayAntigens, CD46Cell LineComplement C2bComplement Pathway, Mannose-Binding LectinProperdinPhagocytosisOpsonin ProteinsAntibodies, MonoclonalAnaphylaxisBase SequenceMice, Inbred BALB CNeutrophilsComplement C3-C5 Convertases, Classical PathwayCromolyn SodiumHistamineProto-Oncogene Proteins c-kitMice, KnockoutErythrocytesGenetic Complementation TestProtein BindingMastocytosis, SystemicBlood ProteinsCytoplasmic GranulesAntibody-Dependent Cell CytotoxicityMutationRNA, MessengerPeritoneal CavitySteroid 21-HydroxylaseStem Cell FactorRecombinant ProteinsBacterial ProteinsPassive Cutaneous Anaphylaxis