Physical Association of Eukaryotic Initiation Factor 4G (eIF4G) with eIF4A Strongly Enhances Binding of eIF4G to the Internal Ribosomal Entry Site of Encephalomyocarditis Virus and Is Required for Internal Initiation of Translation
Lomakin I, Hellen C, Pestova T. Physical Association of Eukaryotic Initiation Factor 4G (eIF4G) with eIF4A Strongly Enhances Binding of eIF4G to the Internal Ribosomal Entry Site of Encephalomyocarditis Virus and Is Required for Internal Initiation of Translation. Molecular And Cellular Biology 2000, 20: 6019-6029. PMID: 10913184, PMCID: PMC86078, DOI: 10.1128/mcb.20.16.6019-6029.2000.Peer-Reviewed Original ResearchConceptsInternal ribosomal entry siteEMCV internal ribosomal entry siteEIF4GAdditional amino-terminal sequenceEukaryotic initiation factor 4GRNA recognition motifEukaryotic initiation factor 4GIInternal ribosomal entryEntry siteComplex formationBeta-globin mRNAAmino-terminal sequenceEncephalomyocarditis virus internal ribosomal entry siteRibosomal entryRecognition motifLike domainMutational analysisPhysical associationInternal initiationHigh-affinity bindingBinding fragmentSpecific interactionsRNASimilar affinitySpecific high-affinity bindingDendritic BC1 RNA: Functional Role in Regulation of Translation Initiation
Wang H, Iacoangeli A, Popp S, Muslimov IA, Imataka H, Sonenberg N, Lomakin IB, Tiedge H. Dendritic BC1 RNA: Functional Role in Regulation of Translation Initiation. Journal Of Neuroscience 2002, 22: 10232-10241. PMID: 12451124, PMCID: PMC1828542, DOI: 10.1523/jneurosci.22-23-10232.2002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain ChemistryCell-Free SystemCells, CulturedDendritesElectrophoretic Mobility Shift AssayEukaryotic Initiation Factor-4AEukaryotic Initiation FactorsGene Expression RegulationMacromolecular SubstancesNeuronal PlasticityNeuronsPeptide Chain Initiation, TranslationalPoly(A)-Binding ProteinsProtein BiosynthesisRatsRats, Sprague-DawleyRepressor ProteinsRibosomesRNA, MessengerRNA, Small CytoplasmicConceptsLocal protein synthesisBC1 RNATranslation initiationInternal ribosome entry mechanismCap-dependent translation initiationProtein synthesisFunctional roleMessenger RNASmall ribosomal subunitTranslational control mechanismsLevel of initiationDendritic BC1 RNAPlasticity of synapsesRepression pathwaySpecific repressorPreinitiation complexTranslational controlInitiation factorsRibosomal subunitBiochemical experimentsLocal translationInternal initiationRNAEntry mechanismDensity gradient centrifugation