SpliceosomesRNA SplicingRibonucleoprotein, U4-U6 Small NuclearRNA PrecursorsRibonucleoprotein, U5 Small NuclearRibonucleoproteins, Small NuclearRNA, Small NuclearRibonucleoprotein, U2 Small NuclearRibonucleoprotein, U1 Small NuclearIntronsDEAD-box RNA HelicasesRibonucleoproteinsRNA Splice SitesRNA HelicasesRNA, FungalRNA-Binding ProteinsSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeMolecular Sequence DataHeLa CellsNucleic Acid ConformationBase SequenceExonsNuclear ProteinsAlternative SplicingFungal ProteinsRNA, MessengerMutationRibonuclease HsnRNP Core ProteinsNuclear Cap-Binding Protein ComplexCell NucleusAmino Acid SequenceRNA NucleotidyltransferasesProtein BindingBase PairingAdenosine TriphosphateSuppression, GeneticConserved SequenceCatalysisProtein Structure, TertiaryAdenosine TriphosphatasesPyransSequence Homology, Amino AcidSpiro CompoundsNucleic Acid PrecursorsRNA, CatalyticRNARNA Processing, Post-TranscriptionalBinding SitesSMN Complex ProteinsRNA CleavageGenes, FungalGenes, LethalProtein Interaction Domains and MotifsModels, MolecularModels, GeneticHeterogeneous-Nuclear RibonucleoproteinsTranscription, GeneticModels, BiologicalYeastsProtein SplicingTrans-SplicingMultiprotein ComplexesCross-Linking ReagentsCatalytic DomainTwo-Hybrid System TechniquesGenetic Complementation TestGlobinsOrganisms, Genetically ModifiedConsensus SequenceOligoribonucleotidesPlasmidsSequence AlignmentMacromolecular SubstancesCoiled BodiesPseudouridinePrecipitin TestsCell ExtractsRNA, Heterogeneous NuclearEndoribonucleasesHeterogeneous-Nuclear Ribonucleoprotein Group A-BPhenotypeRNA StabilityOligonucleotidesSchizosaccharomycesGuanosineHydrolysisDNA PrimersCarrier ProteinsAmino Acid MotifsBiocatalysisGenes, DominantStreptavidinMutagenesis, Site-DirectedGene Expression Regulation, FungalTemperatureAllelesCryoelectron MicroscopyBase Composition