2011
Human eIF4AIII interacts with an eIF4G-like partner, NOM1, revealing an evolutionarily conserved function outside the exon junction complex
Alexandrov A, Colognori D, Steitz JA. Human eIF4AIII interacts with an eIF4G-like partner, NOM1, revealing an evolutionarily conserved function outside the exon junction complex. Genes & Development 2011, 25: 1078-1090. PMID: 21576267, PMCID: PMC3093123, DOI: 10.1101/gad.2045411.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsDEAD-box RNA HelicasesEukaryotic Initiation Factor-4AEukaryotic Initiation Factor-4GEvolution, MolecularExonsGene DeletionGenetic Complementation TestHumansModels, MolecularMolecular Sequence DataMutationNuclear ProteinsPhenotypeProtein Structure, TertiaryRNA, Ribosomal, 18SRNA-Binding ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence AlignmentConceptsExon junction complexEIF4GJunction complexDEAD-box helicasePre-rRNA processingDirect physical interactionEIF4G complexExtragenic suppressorsBiogenesis defectsLethal phenotypeGrowth defectTranslation initiationHuman orthologEIF4AIIISaccharomyces cerevisiaeHuman cellsNOM1Physical interactionComplex actsG complexX-ray structureMutationsResiduesComplexesOrthologs
2002
Branchpoint selection in the splicing of U12-dependent introns in vitro.
McConnell TS, Cho SJ, Frilander MJ, Steitz JA. Branchpoint selection in the splicing of U12-dependent introns in vitro. RNA 2002, 8: 579-86. PMID: 12022225, PMCID: PMC1370279, DOI: 10.1017/s1355838202028029.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceHumansIn Vitro TechniquesIntronsModels, GeneticPol1 Transcription Initiation Complex ProteinsRibonucleoproteins, Small NuclearRibosomal ProteinsRNARNA SplicingRNA-Binding ProteinsSaccharomyces cerevisiae ProteinsSpliceosomesTranscription FactorsXenopusXenopus ProteinsConceptsU12-dependent intronsU12-type intronsSixth intronBranchpoint sequenceSplicing of intronsU12-type splicingU12-type spliceosomeU12-dependent splicingBase-pairing mechanismHeLa nuclear extractsAdditional intronConsecutive adenosinesSplicing substrateThird intronU12 snRNAHuman p120First intronIntronsNuclear extractsSplicingGenesBranch sitePathwayBranchpointP120
2001
Communication of the Position of Exon-Exon Junctions to the mRNA Surveillance Machinery by the Protein RNPS1
Lykke-Andersen J, Shu M, Steitz J. Communication of the Position of Exon-Exon Junctions to the mRNA Surveillance Machinery by the Protein RNPS1. Science 2001, 293: 1836-1839. PMID: 11546874, DOI: 10.1126/science.1062786.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated RegionsAnimalsCell LineDNA-Binding ProteinsExonsFungal ProteinsGlobinsHeLa CellsHumansMacromolecular SubstancesMiceModels, BiologicalPrecipitin TestsProtein BindingRecombinant Fusion ProteinsRibonucleoproteinsRNA HelicasesRNA SplicingRNA, MessengerRNA-Binding ProteinsSaccharomyces cerevisiae ProteinsTrans-ActivatorsTransfectionConceptsNonsense-mediated decayExon-exon junctionsMRNA surveillanceMRNA quality controlMRNA surveillance machinerySelective nuclear exportBeta-globin mRNAPremature termination codonUpf complexMature mRNASurveillance machineryNuclear exportAberrant mRNAsMammalian cellsTermination codonUntranslated regionSplice junctionsRNPS1MRNADual roleCentral componentComplexesCodonSubunitsMachinery
2000
Human Upf Proteins Target an mRNA for Nonsense-Mediated Decay When Bound Downstream of a Termination Codon
Lykke-Andersen J, Shu M, Steitz J. Human Upf Proteins Target an mRNA for Nonsense-Mediated Decay When Bound Downstream of a Termination Codon. Cell 2000, 103: 1121-1131. PMID: 11163187, DOI: 10.1016/s0092-8674(00)00214-2.Peer-Reviewed Original ResearchConceptsNonsense-mediated decayExon-exon junctionsTermination codonMRNA exon-exon junctionsNovel human proteinTranslation termination siteHeLa cell extractsBeta-globin mRNAPremature termination codonUpf proteinsEukaryotic cellsAberrant mRNAsHuman proteinsTermination sitesIntact cellsCell extractsCodonHUpf2ProteinMRNAHUpf1CellsCytoplasmCytoplasmicTethering