2021
Structural visualization of transcription activated by a multidrug-sensing MerR family regulator
Yang Y, Liu C, Zhou W, Shi W, Chen M, Zhang B, Schatz DG, Hu Y, Liu B. Structural visualization of transcription activated by a multidrug-sensing MerR family regulator. Nature Communications 2021, 12: 2702. PMID: 33976201, PMCID: PMC8113463, DOI: 10.1038/s41467-021-22990-8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsBacterial ProteinsBase SequenceBinding SitesCloning, MolecularCryoelectron MicroscopyCrystallography, X-RayDNA, BacterialDNA-Binding ProteinsDNA-Directed RNA PolymerasesEscherichia coliGene ExpressionGene Expression Regulation, BacterialGenetic VectorsModels, MolecularNucleic Acid ConformationPromoter Regions, GeneticProtein BindingProtein Conformation, alpha-HelicalProtein Conformation, beta-StrandProtein Interaction Domains and MotifsRecombinant ProteinsTranscription Elongation, GeneticTranscription Initiation, GeneticConceptsMerR family regulatorsFamily regulatorCryo-electron microscopy structureBacterial RNA polymerase holoenzymeRegulation of transcriptionRNA polymerase holoenzymePromoter openingTranscription regulationMicroscopy structureTranscription initiationPolymerase holoenzymeRNA elongationTranscriptional regulatorsMerR familyDNA remodelingSpacer DNAPromoter recognitionPromoter elementsCellular signalsSpacer promoterInitial transcriptionTranscription processTranscriptionPromoterRegulator
2016
RAG1 targeting in the genome is dominated by chromatin interactions mediated by the non-core regions of RAG1 and RAG2
Maman Y, Teng G, Seth R, Kleinstein SH, Schatz DG. RAG1 targeting in the genome is dominated by chromatin interactions mediated by the non-core regions of RAG1 and RAG2. Nucleic Acids Research 2016, 44: 9624-9637. PMID: 27436288, PMCID: PMC5175335, DOI: 10.1093/nar/gkw633.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesChromatinChromatin ImmunoprecipitationGenomeGenomic InstabilityHigh-Throughput Nucleotide SequencingHistonesHomeodomain ProteinsHumansMiceNucleotide MotifsPromoter Regions, GeneticProtein BindingProtein Interaction Domains and MotifsRecombination, GeneticV(D)J RecombinationConceptsAntigen receptor lociNon-core regionsReceptor locusPlant homeodomain (PHD) fingerChIP-seq dataWide bindingChromatin interactionsAdditional chromatinLysine 4Off-target activityGenomic featuresHistone 3Novel roleRAG1LociChromatinGenomeRAG2Observed patternsDistinct modesBindingH3K4me3H3K27acEndonucleaseRelative contribution
2015
Recruitment of RAG1 and RAG2 to Chromatinized DNA during V(D)J Recombination
Shetty K, Schatz DG. Recruitment of RAG1 and RAG2 to Chromatinized DNA during V(D)J Recombination. Molecular And Cellular Biology 2015, 35: 3701-3713. PMID: 26303526, PMCID: PMC4589606, DOI: 10.1128/mcb.00219-15.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineChromatinDNADNA CleavageDNA-Binding ProteinsHomeodomain ProteinsMiceProtein BindingV(D)J RecombinationConceptsConserved heptamerRAG2 proteinsChromatin immunoprecipitationNonamer elementsRecombination substratesSignal sequenceNonamer sequencesMutant formsCryptic RSSsRAG1DNA cleavageGene segmentsChromatinCell linesRAG2ProteinRecruitmentRecombinationSequenceMajor roleMutagenesisImmunoprecipitationRepeatsRSSsRAGSingle-molecule analysis of RAG-mediated V(D)J DNA cleavage
Lovely GA, Brewster RC, Schatz DG, Baltimore D, Phillips R. Single-molecule analysis of RAG-mediated V(D)J DNA cleavage. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: e1715-e1723. PMID: 25831509, PMCID: PMC4394307, DOI: 10.1073/pnas.1503477112.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesSingle-molecule assaysSame DNA moleculeAntigen receptor genesConsensus recombination signal sequencesSingle-molecule analysisHigh mobility group box protein 1Individual molecular eventsSignal sequenceSingle-molecule levelGene productsDNA bindingMolecular eventsLymphocyte developmentDNA moleculesDNA cleavageProtein 1Synapse formationSynaptic complexReceptor geneCleavageRAGAssaysRAG1/2ComplexesMapping and Quantitation of the Interaction between the Recombination Activating Gene Proteins RAG1 and RAG2* ♦
Zhang YH, Shetty K, Surleac MD, Petrescu AJ, Schatz DG. Mapping and Quantitation of the Interaction between the Recombination Activating Gene Proteins RAG1 and RAG2* ♦. Journal Of Biological Chemistry 2015, 290: 11802-11817. PMID: 25745109, PMCID: PMC4424321, DOI: 10.1074/jbc.m115.638627.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCatalytic DomainDNA-Binding ProteinsGene Expression RegulationGenome, HumanHEK293 CellsHomeodomain ProteinsHumansInterferometryMaleMiceMice, Inbred C57BLMolecular Sequence DataMutationNuclear ProteinsProtein BindingProtein Interaction MappingProtein Structure, SecondaryThymus GlandV(D)J RecombinationVDJ RecombinasesConceptsRegion of RAG1Α-helixZinc finger regionResidues N-terminalActive siteAcidic amino acidsPulldown assaysAccessory factorsHermes transposaseProteins RAG1Finger regionRAG activityQuantitative Western blottingC-terminusRAG endonucleaseN-terminalCatalytic functionRAG1Amino acidsDNA cleavageRAG2Nuclear concentrationRecombination activityCatalytic centerBiolayer interferometry
2013
A Critical Context-Dependent Role for E Boxes in the Targeting of Somatic Hypermutation
McDonald JJ, Alinikula J, Buerstedde JM, Schatz DG. A Critical Context-Dependent Role for E Boxes in the Targeting of Somatic Hypermutation. The Journal Of Immunology 2013, 191: 1556-1566. PMID: 23836058, PMCID: PMC3735716, DOI: 10.4049/jimmunol.1300969.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesB-LymphocytesCells, CulturedChickensCytidine DeaminaseDNA, RecombinantE-Box ElementsEnhancer Elements, GeneticGenes, Immunoglobulin Light ChainGenes, ReporterGreen Fluorescent ProteinsImmunoglobulin Variable RegionMutationProtein BindingSomatic Hypermutation, ImmunoglobulinTranscription Factor 3TransfectionTransgenesConceptsE-boxSomatic hypermutationChicken DT40 B cellsDT40 B cellsNon-Ig lociOff-target mutationsActivation-induced cytidine deaminaseContext-dependent roleShort DNA sequencesSequence motifsDNA sequencesTarget genesIg genesSequence contextAffinity of AbsDNA damageCytidine deaminaseRepertoire diversificationMutationsGenesMotifSequenceFunctional hierarchyHypermutationAg stimulationCooperative recruitment of HMGB1 during V(D)J recombination through interactions with RAG1 and DNA
Little AJ, Corbett E, Ortega F, Schatz DG. Cooperative recruitment of HMGB1 during V(D)J recombination through interactions with RAG1 and DNA. Nucleic Acids Research 2013, 41: 3289-3301. PMID: 23325855, PMCID: PMC3597659, DOI: 10.1093/nar/gks1461.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesFluorescence anisotropy experimentsRAG-RSS complexesHigh mobility group box proteinAbsence of DNAGroup box proteinArchitectural proteinsPulldown experimentsRAG2 bindBox proteinSignal sequenceCooperative recruitmentComplex assemblyRecombinase complexStable integrationSequence specificitySynergistic binding effectAnisotropy experimentsAddition of DNAOrder of eventsRAG1DNAHMGB1 proteinProteinConcentration-dependent manner
2011
V(D)J Recombination: Mechanisms of Initiation
Schatz DG, Swanson PC. V(D)J Recombination: Mechanisms of Initiation. Annual Review Of Genetics 2011, 45: 167-202. PMID: 21854230, DOI: 10.1146/annurev-genet-110410-132552.Peer-Reviewed Original ResearchConceptsProtein-DNA complexesUbiquitin ligase activityHistone recognitionDomain organizationRAG proteinsRAG2 proteinsLigase activityT-cell receptor genesRecombination signalsDNA breaksHeptamer sequenceLymphocyte developmentDNA breakageDNA cleavageGene segmentsFunctional significanceProper repairReceptor geneRAG1ProteinRecombinationMechanism of initiationComplexesRecent advancesGenes
2010
Promoters, enhancers, and transcription target RAG1 binding during V(D)J recombination
Ji Y, Little AJ, Banerjee JK, Hao B, Oltz EM, Krangel MS, Schatz DG. Promoters, enhancers, and transcription target RAG1 binding during V(D)J recombination. Journal Of Experimental Medicine 2010, 207: 2809-2816. PMID: 21115692, PMCID: PMC3005232, DOI: 10.1084/jem.20101136.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAnimalsBinding, CompetitiveChromatin ImmunoprecipitationDNAEnhancer Elements, GeneticFemaleGene RearrangementGenes, ImmunoglobulinGenotypeHistonesHMGB1 ProteinHomeodomain ProteinsMaleMiceMice, Inbred C57BLMice, KnockoutPromoter Regions, GeneticProtein BindingReceptors, Antigen, T-Cell, alpha-betaRecombination, GeneticTranscription, GeneticVDJ Recombinases
2003
A Functional Analysis of the Spacer of V(D)J Recombination Signal Sequences
Lee AI, Fugmann SD, Cowell LG, Ptaszek LM, Kelsoe G, Schatz DG. A Functional Analysis of the Spacer of V(D)J Recombination Signal Sequences. PLOS Biology 2003, 1: e1. PMID: 14551903, PMCID: PMC212687, DOI: 10.1371/journal.pbio.0000001.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesSignal sequenceGene segmentsProtein-DNA interactionsLevel of recombinationDegree of conservationParticular functional importanceJ gene segmentsAntigen receptor genesSpacer variantsRAG proteinsRecombination machineryRSS activityInactive pseudogeneRSS functionSpacer sequencesFunctional analysisInteraction surfaceFunctional importanceLymphocyte developmentNumerous complex interactionsBiochemical assaysDistinct cooperationReceptor geneHeptamer
1996
RAG1 Mediates Signal Sequence Recognition and Recruitment of RAG2 in V(D)J Recombination
Difilippantonio M, McMahan C, Eastman Q, Spanopoulou E, Schatz D. RAG1 Mediates Signal Sequence Recognition and Recruitment of RAG2 in V(D)J Recombination. Cell 1996, 87: 253-262. PMID: 8861909, DOI: 10.1016/s0092-8674(00)81343-4.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCell LineDNA NucleotidyltransferasesDNA-Binding ProteinsGenes, ImmunoglobulinHomeodomain ProteinsHumansMacromolecular SubstancesMolecular Sequence DataNuclear ProteinsProtein BindingProteinsRecombinant ProteinsRecombination, GeneticSalmonellaSequence AlignmentStructure-Activity RelationshipTranscriptional ActivationTransfectionConceptsDNA bindingAbsence of RAG2Signal sequence recognitionRegion of RAG1RAG2 proteinsBacterial invertasesSequence similarityRecombination signalsSpecific binding interactionsRAG1Sequence recognitionDNA cleavageRAG2Binding interactionsProteinBindingRecombinationRecent studiesSignal recognitionInvertaseHeptamerRecruitmentCleavageLocalizationVivo