Promoter Regions, GeneticTATA BoxBase SequenceTranscription, GeneticMolecular Sequence DataTranscription Initiation SiteTranscription Factor TFIIDDNA-Binding ProteinsBinding SitesGene Expression RegulationHepatitis B Core AntigensSp1 Transcription FactorTranscription FactorsHepatitis B virusTATA-Binding Protein Associated FactorsTranscriptional ActivationMutationGenes, ReporterEnhancer Elements, GeneticCell LineResponse ElementsTransfectionProtein BindingRegulatory Sequences, Nucleic AcidHepatitis B e AntigensHeLa CellsDNAPlasmidsViral Core ProteinsRNA, Messenger5' Flanking RegionRNA Polymerase IITrans-ActivatorsDNA FootprintingLuciferasesNuclear ProteinsTATA-Box Binding ProteinElectrophoretic Mobility Shift AssayGene Expression Regulation, ViralSequence Homology, Nucleic AcidCloning, MolecularAmino Acid SequenceRepressor ProteinsConsensus SequenceChloramphenicol O-AcetyltransferaseChromatin ImmunoprecipitationDNA MethylationDNA PrimersSequence DeletionCCAAT-Binding FactorTranscription Factor TFIIADNA, ViralDeoxyribonuclease ISequence Analysis, DNAChromatinNucleotide MotifsGene Expression Regulation, BacterialTranscription Factors, TFIIHepatitis B, ChronicTranscription Factor TFIIBMutagenesis, Site-DirectedTumor Cells, CulturedGene Expression Regulation, EnzymologicRestriction MappingDNA-Directed RNA PolymerasesHepatitis BCpG IslandsConserved SequenceModels, GeneticPolymerase Chain Reaction5' Untranslated RegionsEscherichia coliRecombinant Fusion ProteinsUpstream Stimulatory FactorsHistonesTATA Box Binding Protein-Like ProteinsDNA Mutational AnalysisBacterial ProteinsGene ExpressionCell Line, TumorGenotypeCell NucleusNucleosomesRegulatory Elements, TranscriptionalOperonOligodeoxyribonucleotidesOrgan SpecificityCells, CulturedHemicentrotusYY1 Transcription FactorGene Expression Regulation, FungalTransgenesbeta-GalactosidaseReverse Transcriptase Polymerase Chain ReactionSequence AlignmentGene SilencingRNA Polymerase ISp3 Transcription FactorGenetic VectorsGenes, Regulator