Ribonucleoproteins, Small NuclearSpliceosomesRNA SplicingRibonucleoprotein, U4-U6 Small NuclearRibonucleoprotein, U2 Small NuclearRNA PrecursorsNucleic Acid ConformationRibonucleoprotein, U5 Small NuclearBase SequenceMolecular Sequence DatasnRNP Core ProteinsRNA, FungalRibonucleoproteinsCoiled BodiesPseudouridineHeLa CellsRNA 3' End ProcessingRNA Splice SitesRNA-Binding ProteinsRNA Processing, Post-TranscriptionalIntronsRNA, Small NucleolarRNA Polymerase IITranscription, GeneticSaccharomyces cerevisiaeRNA CapsTrypanosomatinaBase PairingMutationRNANotophthalmus viridescensFicusinPositive Transcriptional Elongation Factor BSulfuric Acid EstersRNA, Spliced LeaderBinding SitesCell NucleusXenopus laevisOocytesSaccharomyces cerevisiae ProteinsPromoter Regions, GeneticExonsConserved SequenceSuppression, GeneticSequence Homology, Nucleic AcidCross-Linking ReagentsNucleocytoplasmic Transport ProteinsRibonuclease HXenopusRNA, MessengerAmino Acid SequenceOctamer Transcription FactorsOctamer Transcription Factor-1RNA, CatalyticRibonucleoprotein, U7 Small NuclearPrecipitin TestsGuanosineProtein BindingHost Cell Factor C1AutoantigensRibonucleoproteins, Small NucleolarTrans-SplicingCloning, MolecularUridine MonophosphateTATA-Box Binding ProteinCell NucleolusFungal ProteinsSMN Complex ProteinsRNA Cap-Binding ProteinsGenes, FungalEndoribonucleasesYeastsRNA HelicasesTATA BoxBase Composition3' Flanking RegionNuclear ProteinsCyclin CRNA, ProtozoanRNA Cap AnalogsRNA StabilityAlternative SplicingNucleic Acid PrecursorsMicroinjectionsRNA, AntisenseNuclear Cap-Binding Protein ComplexOctamer Transcription Factor-2DNARegulatory Sequences, Nucleic AcidConsensus SequenceGenesRNA, Transfer, Amino Acid-SpecificModels, MolecularInverted Repeat SequencesTemplates, GeneticProtein Structure, TertiarySequence AlignmentRibonuclease IIIRibonucleasesTranscription Factors