2012
Human spliceosomal protein CWC22 plays a role in coupling splicing to exon junction complex deposition and nonsense-mediated decay
Alexandrov A, Colognori D, Shu MD, Steitz JA. Human spliceosomal protein CWC22 plays a role in coupling splicing to exon junction complex deposition and nonsense-mediated decay. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 21313-21318. PMID: 23236153, PMCID: PMC3535618, DOI: 10.1073/pnas.1219725110.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCarrier ProteinsEukaryotic Initiation Factor-4AEukaryotic Initiation Factor-4GExonsGene Knockdown TechniquesHEK293 CellsHeLa CellsHumansMolecular Sequence DataMutationNonsense Mediated mRNA DecayNuclear ProteinsPeptidylprolyl IsomeraseProtein BindingRNA SplicingRNA, MessengerRNA-Binding ProteinsSpliceosomesConceptsExon junction complexEJC depositionMultiprotein exon junction complexNonsense-mediated decay pathwayNonsense-mediated decaySpecific roleEJC assemblyEJC formationComplex eukaryotesDisrupts associationMetazoan mRNAsSpliceosomal proteinsCellular mRNAsHost genesSplicing defectsJunction complexDownstream eventsSplicingNatural substrateDecay pathwaysCWC22Depletion yieldsNMDMutationsMRNA
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