Featured Publications
Human keratin 1/10‐1B tetramer structures reveal a knob‐pocket mechanism in intermediate filament assembly
Eldirany SA, Ho M, Hinbest AJ, Lomakin IB, Bunick CG. Human keratin 1/10‐1B tetramer structures reveal a knob‐pocket mechanism in intermediate filament assembly. The EMBO Journal 2019, 38: embj2018100741. PMID: 31036554, PMCID: PMC6545558, DOI: 10.15252/embj.2018100741.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionCircular DichroismCrystallography, X-RayCytoskeletonDynamic Light ScatteringHumansHydrophobic and Hydrophilic InteractionsIntermediate Filament ProteinsKeratin-1Keratin-10Models, MolecularMutation, MissenseProtein FoldingProtein Interaction Domains and MotifsProtein MultimerizationProtein Structure, QuaternaryProtein Structure, SecondarySkin DiseasesConceptsFilament assemblyN-terminal hydrophobic pocketIntermediate filament assemblyTetramer assemblyÅ structureÅ resolutionCircular dichroism measurementsTetramer formationAssembly mechanismHydrophobic faceHydrophobic pocketSecondary structureOctamer structureEpidermolytic palmoplantar keratodermaKeratin filamentsIntermediate filamentsMutationsPathogenic mutationsTetramer structureDichroism measurementsAtomic resolutionAssemblyBiochemical determinantsKeratin 1/10TetramerA Conserved HEAT Domain within eIF4G Directs Assembly of the Translation Initiation Machinery
Marcotrigiano J, Lomakin I, Sonenberg N, Pestova T, Hellen C, Burley S. A Conserved HEAT Domain within eIF4G Directs Assembly of the Translation Initiation Machinery. Molecular Cell 2001, 7: 193-203. PMID: 11172724, DOI: 10.1016/s1097-2765(01)00167-8.Peer-Reviewed Original ResearchConceptsInternal ribosome entry siteTranslation initiation machineryInitiation machineryHEAT domainATP-dependent RNA helicase eIF4AStructure-based site-directed mutagenesisCap-independent translation initiationRNA helicase eIF4ASite-directed mutagenesisPicornaviral internal ribosome-entry siteRibosome entry siteRibosomal complex formationHelicase eIF4ATranslation initiationAlpha-helixEntry siteEIF4AMechanistic insightsX-ray structureComplex formationMachineryBiochemical resultsEssential componentDomainMutagenesis
2003
Eukaryotic Initiation Factors 4G and 4A Mediate Conformational Changes Downstream of the Initiation Codon of the Encephalomyocarditis Virus Internal Ribosomal Entry Site
Kolupaeva VG, Lomakin IB, Pestova TV, Hellen CU. Eukaryotic Initiation Factors 4G and 4A Mediate Conformational Changes Downstream of the Initiation Codon of the Encephalomyocarditis Virus Internal Ribosomal Entry Site. Molecular And Cellular Biology 2003, 23: 687-698. PMID: 12509466, PMCID: PMC151537, DOI: 10.1128/mcb.23.2.687-698.2003.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateBase SequenceBinding SitesCodon, InitiatorEncephalomyocarditis virusEscherichia coliEukaryotic Initiation Factor-4AEukaryotic Initiation Factor-4GGene DeletionModels, BiologicalModels, MolecularMolecular Sequence DataPlasmidsProtein BindingProtein BiosynthesisProtein ConformationProtein Structure, SecondaryProtein Structure, TertiaryRibosomesRNASequence Homology, Nucleic AcidConceptsInternal ribosome entry siteEukaryotic initiation factor 2EIF4GCentral domainEukaryotic initiation factor 4GConformational changesInitiation factor 2K domainRibosome binding siteInitiation of translationInternal ribosomal entry siteEntry siteExtensive conformational rearrangementsThree-way helical junctionInitiation codon AUGRibosome entry siteEncephalomyocarditis virus internal ribosomal entry siteEncephalomyocarditis virus (EMCV) mRNAInitiation codonRibosomal complexesC-terminusIRES functionProductive bindingCodon AUGN-terminus