2018
Architecture of the U6 snRNP reveals specific recognition of 3′-end processed U6 snRNA
Montemayor E, Didychuk A, Yake A, Sidhu G, Brow D, Butcher S. Architecture of the U6 snRNP reveals specific recognition of 3′-end processed U6 snRNA. Nature Communications 2018, 9: 1749. PMID: 29717126, PMCID: PMC5931518, DOI: 10.1038/s41467-018-04145-4.Peer-Reviewed Original ResearchConceptsU6 small nuclear RNASmall nuclear RNAPre-mRNAU6 snRNPPre-mRNA substratePrecursor messenger RNAProtein-protein contactsC-terminal regionSaccharomyces cerevisiaeHeteroheptameric ringMature mRNAActive siteU6 snRNPsMRNA decayNuclear RNAPost-transcriptionallySpliceosomeLsm2Prp24SnRNPMessenger RNARNAMRNAIntronLSm8
2017
Structure and conformational plasticity of the U6 small nuclear ribonucleoprotein core
Montemayor E, Didychuk A, Liao H, Hu P, Brow D, Butcher S. Structure and conformational plasticity of the U6 small nuclear ribonucleoprotein core. Acta Crystallographica Section D, Structural Biology 2017, 73: 1-8. PMID: 28045380, PMCID: PMC5331471, DOI: 10.1107/s2059798316018222.Peer-Reviewed Original ResearchInternal stem-loopRNA recognition motifSmall nuclear ribonucleoproteinU6 internal stem-loopSplicing of precursor messenger RNAU6 small nuclear RNAProtein-RNA interfacesU6 small nuclear ribonucleoproteinsPrecursor messenger RNASmall nuclear RNAGel shift assaysStem-loopRibonucleoprotein complexCrystal structureGenetic dataNuclear ribonucleoproteinNuclear RNAConformational plasticityWild-typePrp24RNASpliceosomeElectrophoretic mobilityMessenger RNARibonucleoprotein
2015
Structural requirements for protein-catalyzed annealing of U4 and U6 RNAs during di-snRNP assembly
Didychuk A, Montemayor E, Brow D, Butcher S. Structural requirements for protein-catalyzed annealing of U4 and U6 RNAs during di-snRNP assembly. Nucleic Acids Research 2015, 44: 1398-1410. PMID: 26673715, PMCID: PMC4756825, DOI: 10.1093/nar/gkv1374.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceBinding, CompetitiveKineticsModels, MolecularMolecular Sequence DataMutationNucleic Acid ConformationProtein BindingProtein Structure, TertiaryRibonucleoprotein, U4-U6 Small NuclearRibonucleoproteins, Small NuclearRNA, FungalRNA, Small NuclearSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsConceptsU6 RNADi-snRNPRemodeling of RNA structureAnnealing in vitroTri-snRNP complexLarge-scale remodelingStable ternary complexRNA bindingRNA structureRibonucleoprotein complexU6 snRNPU6 snRNABase pairsPrp24RNATernary complexU4/U6Electropositive characterRate enhancementAssemblyStructural requirementsSnRNASnRNPLsm2Annealing rateStructural Analysis of Multi-Helical RNAs by NMR–SAXS/WAXS: Application to the U4/U6 di-snRNA
Cornilescu G, Didychuk A, Rodgers M, Michael L, Burke J, Montemayor E, Hoskins A, Butcher S. Structural Analysis of Multi-Helical RNAs by NMR–SAXS/WAXS: Application to the U4/U6 di-snRNA. Journal Of Molecular Biology 2015, 428: 777-789. PMID: 26655855, PMCID: PMC4790120, DOI: 10.1016/j.jmb.2015.11.026.Peer-Reviewed Original ResearchConceptsU4/U6 di-snRNAScattering dataTri-snRNPAnalysis of RNA structureCryo-electron microscopy structureResonance energy transfer dataX-ray scattering dataMagnetic susceptibility anisotropyRNA structureAssembled spliceosomeRibonucleoprotein complexTertiary interactionsU4/U6Energy transfer dataAlignment mediaSusceptibility anisotropyCryo-electronAlignment tensorStructural investigationsRNAX-rayNucleic acidsStructural analysisWAXS dataY-shaped structure