2010
Pathway of ATP utilization and duplex rRNA unwinding by the DEAD-box helicase, DbpA
Henn A, Cao W, Licciardello N, Heitkamp SE, Hackney DD, De La Cruz EM. Pathway of ATP utilization and duplex rRNA unwinding by the DEAD-box helicase, DbpA. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 4046-4050. PMID: 20160110, PMCID: PMC2840157, DOI: 10.1073/pnas.0913081107.Peer-Reviewed Original Research
2007
The ATPase Cycle Mechanism of the DEAD-box rRNA Helicase, DbpA
Henn A, Cao W, Hackney DD, De La Cruz EM. The ATPase Cycle Mechanism of the DEAD-box rRNA Helicase, DbpA. Journal Of Molecular Biology 2007, 377: 193-205. PMID: 18237742, PMCID: PMC2359651, DOI: 10.1016/j.jmb.2007.12.046.Peer-Reviewed Original Research
2005
Hydrodynamic Characterization of the DEAD-box RNA Helicase DbpA
Talavera MA, Matthews EE, Eliason WK, Sagi I, Wang J, Henn A, De La Cruz EM. Hydrodynamic Characterization of the DEAD-box RNA Helicase DbpA. Journal Of Molecular Biology 2005, 355: 697-707. PMID: 16325852, DOI: 10.1016/j.jmb.2005.10.058.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsChromatography, GelComputersCross-Linking ReagentsDEAD-box RNA HelicasesElectrophoretic Mobility Shift AssayEscherichia coliEscherichia coli ProteinsModels, BiologicalModels, MolecularProtein Structure, TertiaryRNARNA HelicasesRNA-Binding ProteinsStructural Homology, ProteinConceptsHelicase core domainNucleic acid helicasesCarboxyl-terminal domainAb initio structure prediction methodNucleic acid unwindingHelicase activityRNA metabolismHydrodynamic bead modelingDistinct RNARNA substratesHairpin 92ATP hydrolysisStructural homologyStructure prediction methodsCore domainOligomeric formsAnalytical ultracentrifugationDbpAProtein AMulti-angle laserBead modelingRNASize exclusion chromatographyKey roleFunctional properties
2004
Equilibrium and Kinetic Analysis of Nucleotide Binding to the DEAD-Box RNA Helicase DbpA †
Talavera MA, De La Cruz EM. Equilibrium and Kinetic Analysis of Nucleotide Binding to the DEAD-Box RNA Helicase DbpA †. Biochemistry 2004, 44: 959-970. PMID: 15654752, DOI: 10.1021/bi048253i.Peer-Reviewed Original ResearchMeSH KeywordsAdenine NucleotidesDEAD-box RNA HelicasesEscherichia coli ProteinsKineticsRNA HelicasesRNA-Binding ProteinsTemperatureThermodynamicsConceptsFluorescence resonance energy transferAbsence of RNARNA helicaseATP bindingNucleotide bindingConformational rearrangementsResonance energy transferConformational flexibilityDbpADependent conformationStructural rearrangementsDbpA.Protein AUnfavorable entropic contributionNucleotidesPhysiological temperatureBindingAssociation rate constantsADP