IntegrasesRecombinasesDNA NucleotidyltransferasesRad51 RecombinaseRecombination, GeneticVDJ RecombinasesAttachment Sites, MicrobiologicalMice, TransgenicBacteriophage P1Gene TargetingGenes, RAG-1Base SequenceViral ProteinsMolecular Sequence DataTransgenesTransposon ResolvasesDNA TopoisomerasesRec A RecombinasesPlasmidsImmunoglobulin Joining RegionGene DeletionChromosome InversionDNA-Binding ProteinsGenetic EngineeringDNAGene Rearrangement, B-LymphocyteTransposasesHomeodomain ProteinsLac OperonGenes, ReporterGenetic VectorsEscherichia coliPromoter Regions, GeneticMutationHomologous RecombinationMice, KnockoutGene RearrangementDNA, Single-StrandedBinding SitesGene Knock-In TechniquesTamoxifenGenetic TechniquesGreen Fluorescent ProteinsChromosome PairingDNA CleavageAmino Acid SequenceMice, Inbred C57BLDNA, BacterialBacteriophage lambdaMutagenesis, InsertionalRecombinant Fusion ProteinsGenes, ImmunoglobulinEmbryo, Mammalianbeta-GalactosidaseDirected Molecular EvolutionDNA Transposable ElementsModels, GeneticPolymerase Chain ReactionBacterial ProteinsSubstrate SpecificityBlotting, SouthernGene Rearrangement, B-Lymphocyte, Light ChainCell LineB-LymphocytesGene Rearrangement, T-LymphocyteChromosomes, BacterialCell LineageDNA PrimersProtein BindingBRCA2 ProteinV(D)J RecombinationRad52 DNA Repair and Recombination ProteinLuminescent ProteinsChromosomes, Artificial, BacterialMoraxellaDNA, SuperhelicalRecombinational DNA RepairGene Rearrangement, B-Lymphocyte, Heavy ChainBacteriophagesGene Expression Regulation, DevelopmentalGene Expression RegulationGene Transfer TechniquesAllelesDNA RepairDNA Breaks, Double-StrandedGene Rearrangement, beta-Chain T-Cell Antigen ReceptorStem CellsFactor For Inversion Stimulation ProteinOligodeoxyribonucleotidesDNA HelicasesSaccharomyces cerevisiaeMutagenesisGene ExpressionCloning, MolecularMolecular BiologyCrosses, GeneticCell DifferentiationEnhancer Elements, GeneticVDJ ExonsNuclear Proteins