2015
Reconstitution of the human U snRNP assembly machinery reveals stepwise Sm protein organization
Neuenkirchen N, Englbrecht C, Ohmer J, Ziegenhals T, Chari A, Fischer U. Reconstitution of the human U snRNP assembly machinery reveals stepwise Sm protein organization. The EMBO Journal 2015, 34: 1925-1941. PMID: 26069323, PMCID: PMC4547896, DOI: 10.15252/embj.201490350.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDEAD Box Protein 20HumansMinor Histocompatibility AntigensMuscular Atrophy, SpinalMutationProtein-Arginine N-MethyltransferasesRecombinant ProteinsRibonucleoproteins, Small NuclearRNA, Small NuclearSMN Complex ProteinsConceptsSMN complexAssembly machinerySm proteinsSpliceosomal U snRNPsDetailed molecular dissectionTrans-acting factorsSpontaneous conformational changesBiochemical reconstitutionPRMT5 complexU snRNPsProtein complexesMolecular dissectionProtein substratesProtein organizationIndividual proteinsConformational changesFaithful deliveryMode of actionRecombinant sourcesCoordinated actionBrownian machineMechanistic insightsSnRNPsProteinAssembly reaction
2010
Arginine methylation in subunits of mammalian pre-mRNA cleavage factor I
Martin G, Ostareck-Lederer A, Chari A, Neuenkirchen N, Dettwiler S, Blank D, Rüegsegger U, Fischer U, Keller W. Arginine methylation in subunits of mammalian pre-mRNA cleavage factor I. RNA 2010, 16: 1646-1659. PMID: 20562214, PMCID: PMC2905762, DOI: 10.1261/rna.2164210.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArginineFibrinogenGene ExpressionMammalsMethylationProtein Processing, Post-TranslationalProtein-Arginine N-MethyltransferasesRNA PrecursorsConceptsProtein arginine methyltransferasesCleavage factor IMammalian cleavage factor IProcessing complexMessenger RNA precursorsPost-translational modificationsHeLa cell extractsRecombinant protein substratesSite of methylationS-adenosyl methionineBinding protein 1GAR motifArginine methylationArginine methyltransferasesRNA exportSecond methyltransferaseAsymmetric dimethylationRNA precursorsThird polypeptideC-terminusSuch enzymesArginine residuesCell extractsPolypeptide chainMethylation
2008
An Assembly Chaperone Collaborates with the SMN Complex to Generate Spliceosomal SnRNPs
Chari A, Golas MM, Klingenhäger M, Neuenkirchen N, Sander B, Englbrecht C, Sickmann A, Stark H, Fischer U. An Assembly Chaperone Collaborates with the SMN Complex to Generate Spliceosomal SnRNPs. Cell 2008, 135: 497-509. PMID: 18984161, DOI: 10.1016/j.cell.2008.09.020.Peer-Reviewed Original ResearchMeSH KeywordsHeLa CellsHumansModels, BiologicalMolecular ChaperonesNerve Tissue ProteinsProtein MethyltransferasesProtein-Arginine N-MethyltransferasesRibonucleoproteins, Small NuclearRNARNA-Binding ProteinsSurvival of Motor Neuron 1 ProteinConceptsSpliceosomal small nuclear ribonucleoproteinsSMN complexSm proteinsProtein unitsCore domainMRNA processing machinerySmall nuclear ribonucleoproteinSnRNP formationAssembly chaperonesPRMT5 complexClamp loaderNuclear ribonucleoproteinProcessing machinerySnRNAMode of actionPIClnStructural studiesProteinComplexesEssential componentPRMT5ChaperonesSnRNPRibonucleoproteinMachineryDeciphering the assembly pathway of Sm‐class U snRNPs
Neuenkirchen N, Chari A, Fischer U. Deciphering the assembly pathway of Sm‐class U snRNPs. FEBS Letters 2008, 582: 1997-2003. PMID: 18348870, DOI: 10.1016/j.febslet.2008.03.009.Peer-Reviewed Original ResearchMeSH KeywordsCell NucleusHumansProtein MethyltransferasesProtein-Arginine N-MethyltransferasesRibonucleoproteins, Small NuclearSpliceosomesConceptsU snRNPsAssembly pathwayUridine-rich small nuclear ribonucleoproteinsProtein arginine methyltransferase 5SMN complex functionTrans-acting factorsSmall nuclear ribonucleoproteinNuclear ribonucleoproteinCommon proteinsSurvival motor neuronSm classSnRNPsProteinPathwayMotor neuronsRibonucleoproteinRecent progressRNASMNAssemblyLarge numberVitroVivoComplexes