RNA Splice SitesRNA SplicingIntronsRNA PrecursorsRibonucleoproteins, Small NuclearExonsAlternative SplicingBase SequenceMolecular Sequence DataRibonucleoproteinsSpliceosomesRNA, Small NuclearRibonucleoprotein, U1 Small NuclearAmino Acid SequenceMutationRNA, MessengerRibonucleoprotein, U2 Small NuclearBinding SitesHeLa CellsConsensus SequenceDNA Mutational AnalysisSequence Homology, Nucleic AcidNucleic Acid ConformationRibonucleoprotein, U5 Small NuclearTranscription, GeneticCloning, MolecularRNA-Binding ProteinsPolymerase Chain ReactionProtein IsoformsSequence Analysis, DNAHeterogeneous-Nuclear Ribonucleoprotein Group A-BConserved SequenceNuclear ProteinsSequence AlignmentHeterogeneous-Nuclear Ribonucleoprotein Group F-HRibonucleoprotein, U4-U6 Small NuclearNucleic Acid PrecursorsIsomerasesDNA, ComplementaryModels, GeneticPlasmidsCell LineDNARegulatory Sequences, Nucleic AcidSubstrate SpecificityRNA, ViralSequence Homology, Amino AcidDNA PrimersPoint MutationProtein BindingRNAHeterogeneous-Nuclear RibonucleoproteinsProtein Disulfide-IsomerasesMutagenesis, Site-DirectedTransfectionPedigreeRestriction MappingOligodeoxyribonucleotidesRNA, FungalPromoter Regions, GeneticEscherichia coliDNA-Binding ProteinsSaccharomyces cerevisiaeGlobinsKineticsFrameshift MutationMutagenesisProtein Structure, TertiaryTranscription FactorsOpen Reading FramesTrans-SplicingRecombinant ProteinsSilencer Elements, TranscriptionalThioredoxinsRepetitive Sequences, Nucleic AcidSequence Deletion5' Untranslated RegionsCodon, NonsenseReverse Transcriptase Polymerase Chain ReactionFicusinRegulatory Sequences, Ribonucleic AcidModels, MolecularEnhancer Elements, GeneticDNA Transposable ElementsGenesChickensCell NucleusPhylogenyStructure-Activity RelationshipBase CompositionAllelesRibonuclease HRNA Processing, Post-TranscriptionalPolypyrimidine Tract-Binding ProteinPhenotypeSequence Analysis, RNADNA, ViralCross-Linking Reagentsbeta-Crystallin A ChainMutation, Missense