Receptors, Antigen, B-CellB-LymphocytesB-Lymphocyte SubsetsAntigens, CD79Cell MembraneReceptors, Antigen, T-CellPre-B Cell ReceptorsMembranesMembrane LipidsLymphocyte ActivationIntracellular MembranesSignal TransductionMembrane PotentialsImmunoglobulin MMembranes, ArtificialMice, TransgenicMice, Inbred C57BLSialic Acid Binding Ig-like Lectin 2Receptors, Antigen, T-Cell, alpha-betaT-LymphocytesAntigens, CD19Molecular Sequence DataCell LineMembrane GlycoproteinsImmunoglobulin DSpleenGene Rearrangement, B-LymphocyteCells, CulturedGerminal CenterErythrocyte MembraneAntigens, CDMembrane FluidityCell DifferentiationFlow CytometryAmino Acid SequenceB-Cell Activation Factor ReceptorProtein-Tyrosine KinasesImmunoglobulin Variable RegionImmunoglobulin Light Chains, SurrogateMice, KnockoutPrecursor Cells, B-LymphoidImmunoglobulin mu-ChainsMice, Inbred BALB CProtein BindingGene Rearrangement, B-Lymphocyte, Light ChainCell Membrane PermeabilityImmunoglobulin Heavy ChainsBase SequenceAntibodies, Anti-IdiotypicAntigens, Differentiation, B-LymphocyteAntigens, CD5Basement MembraneSelf ToleranceAntigensAntigens, CD40Receptors, Complement 3dAutoimmunityCalciumB-Cell Activating FactorModels, ImmunologicalClone CellsAntibodies, MonoclonalAntigens, CD3ImmunoglobulinsMutationProtein TransportPhospholipase C gammaImmunologic MemoryLymphoma, B-CellImmunoglobulin Light ChainsProtein Structure, TertiaryAdaptor Proteins, Signal TransducingIntracellular Signaling Peptides and ProteinsAntigen PresentationCarrier ProteinsLigandsImmunoglobulin GReceptor AggregationImmunoglobulin kappa-ChainsThymus GlandReceptors, IgGsrc-Family KinasesGene Rearrangement, B-Lymphocyte, Heavy ChainAutoantigensReceptors, Antigen, T-Cell, gamma-deltaSomatic Hypermutation, ImmunoglobulinGenes, ImmunoglobulinCD40 LigandMembrane Transport ProteinsRecombinant Fusion ProteinsPhosphorylationClonal DeletionImmune ToleranceClonal AnergyImmunoglobulin lambda-ChainsAutoantibodiesImmunophenotypingLipid BilayersEpitopes, B-LymphocyteEnzyme Activation