Rheumatoid FactorComplement Factor BComplement C2Positive Transcriptional Elongation Factor BComplement Pathway, AlternativeComplement C3Complement Factor DProperdinB-Lymphocyte SubsetsB-LymphocytesComplement C4Complement C3-C5 ConvertasesComplement C3bComplement ActivationComplement System ProteinsComplement C3 Convertase, Alternative PathwayEnzyme PrecursorsLymphocyte ActivationImmunoglobulin MGerminal CenterOxidative Phosphorylation Coupling FactorsCyclin-Dependent Kinase 9Vascular Endothelial Growth Factor BImmunoglobulin DComplement Activating EnzymesSpleenMice, Inbred C57BLComplement C3b Inactivator ProteinsComplement Factor HCyclin TAntigens, CD19Cobra VenomsImmunoglobulin GImmunoglobulin Heavy ChainsCell DifferentiationB-Cell Activating FactorComplement Pathway, ClassicalLymphocyte CooperationImmunoglobulinsCells, CulturedMolecular Sequence DataComplement C5Mice, KnockoutMice, Inbred BALB CAntigens, CD40Precursor Cells, B-LymphoidComplement Inactivator ProteinsMice, TransgenicComplement C3cGene Rearrangement, B-LymphocyteFlow CytometryImmunoglobulin Variable RegionAntigens, CD5Cell LineImmunologic MemoryGenes, ImmunoglobulinLymphoma, B-CellMitochondrial Proton-Translocating ATPasesBase SequenceProto-Oncogene Proteins c-sisB-Cell Activation Factor ReceptorAntibody FormationAmino Acid Sequence