PolyadenylationmRNA Cleavage and Polyadenylation FactorsPoly ARNA 3' Polyadenylation SignalsRNA, MessengerPolynucleotide AdenylyltransferaseRNA-Binding ProteinsCleavage And Polyadenylation Specificity FactorBase SequenceRNA Processing, Post-Transcriptional3' Untranslated RegionsProtein BiosynthesisMolecular Sequence DataRNA StabilityCleavage Stimulation FactorTranscription, GeneticRNA PrecursorsRNA 3' End ProcessingRNA, FungalPolyribosomesRibonucleoproteinsRNARNA TransportGene Expression RegulationAmino Acid SequenceCytoplasmCloning, MolecularEukaryotic Initiation Factor-4ERNA SplicingOocytesBlotting, NorthernHeLa CellsXenopus Proteins5' Untranslated RegionsNucleic Acid HybridizationCell LineIntronsDNAXenopusProtein BindingSaccharomyces cerevisiaeEukaryotic Initiation FactorsMutationReverse Transcriptase Polymerase Chain ReactionMicroRNAsRibonucleoprotein, U1 Small NuclearRegulatory Sequences, Nucleic AcidRegulatory Sequences, Ribonucleic AcidRNA, ViralDNA PrimersSaccharomyces cerevisiae ProteinsRNA IsoformsDEAD-box RNA HelicasesGenes, mosAlternative SplicingExonsExoribonucleasesTranscription FactorsPeptide Initiation FactorsNucleic Acid PrecursorsHeterogeneous-Nuclear Ribonucleoprotein Group F-HGene Expression Regulation, DevelopmentalGene Expression3' Flanking RegionPoly(A)-Binding ProteinsDNA, ComplementarySequence Homology, Nucleic AcidGenesDrosophila ProteinsPoly(A)-Binding Protein ICells, CulturedPlasmidsRNA Splice SitesRous sarcoma virusGene Expression ProfilingProtein Structure, TertiaryPolyribonucleotide NucleotidyltransferaseRestriction MappingRNA CleavageRNA CapsRibosomesSingle-Strand Specific DNA and RNA EndonucleasesCell NucleusProto-Oncogene Proteins c-mosNucleic Acid ConformationRecombinant Fusion ProteinsRNA Polymerase IIExosome Multienzyme Ribonuclease ComplexSimian virus 40Xenopus laevisProtein KinasesPromoter Regions, GeneticExpressed Sequence TagsDNA Restriction EnzymesHeterogeneous-Nuclear Ribonucleoprotein Group CHeterogeneous-Nuclear RibonucleoproteinsBinding SitesTerminator Regions, GeneticTranscription Termination, GeneticSequence Analysis, RNA