2014
Diversity and plasticity in Rab GTPase nucleotide release mechanism has consequences for Rab activation and inactivation
Langemeyer L, Bastos R, Cai Y, Itzen A, Reinisch KM, Barr FA. Diversity and plasticity in Rab GTPase nucleotide release mechanism has consequences for Rab activation and inactivation. ELife 2014, 3: e01623. PMID: 24520163, PMCID: PMC3919270, DOI: 10.7554/elife.01623.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAspartic AcidBacterial ProteinsCatalytic DomainDeath Domain Receptor Signaling Adaptor ProteinsDNA-Binding ProteinsEnzyme ActivationGlutamineGuanine Nucleotide Exchange FactorsHeLa CellsHumansHydrolysisListeriaModels, MolecularMutagenesis, Site-DirectedMutationProtein ConformationRab GTP-Binding ProteinsRab1 GTP-Binding ProteinsRab5 GTP-Binding ProteinsSignal TransductionTransfectionConceptsActive site residuesGTP hydrolysis mechanismNucleotide-free formActive site glutamineSwitch II regionDifferent RabsRab activationRab GTPasesGTPase activationGlutamine mutantNucleotide exchangeGDP releaseRabActivation mechanismActivation pathwayActive formPathwayResiduesActivationII regionRAPlasticityGTPasesRab5GEF
2011
Insights regarding guanine nucleotide exchange from the structure of a DENN-domain protein complexed with its Rab GTPase substrate
Wu X, Bradley MJ, Cai Y, Kümmel D, De La Cruz EM, Barr FA, Reinisch KM. Insights regarding guanine nucleotide exchange from the structure of a DENN-domain protein complexed with its Rab GTPase substrate. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 18672-18677. PMID: 22065758, PMCID: PMC3219131, DOI: 10.1073/pnas.1110415108.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesBiological TransportCrystallography, X-RayDeath Domain Receptor Signaling Adaptor ProteinsGuanineGuanine Nucleotide Exchange FactorsHumansKineticsNucleotidesProtein BindingProtein Structure, SecondaryProtein Structure, TertiaryRab GTP-Binding ProteinsRab1 GTP-Binding ProteinsConceptsGuanine nucleotide exchange factorsDENN domain proteinsMembrane traffic pathwaysNucleotide exchange factorsGDP-bound formGTP-bound formSwitch regions IHigher eukaryotesRab GTPasesGEF familyEukaryotic cellsTraffic pathwaysExchange factorSwitch INucleotide bindingKey regulatorConformational changesFirst structureNovel insightsRab35ProteinDENND1BEukaryotesRegion IGTPases