2013
Molecular Origins of Cofilin-Linked Changes in Actin Filament Mechanics
Fan J, Saunders MG, Haddadian EJ, Freed KF, De La Cruz EM, Voth GA. Molecular Origins of Cofilin-Linked Changes in Actin Filament Mechanics. Journal Of Molecular Biology 2013, 425: 1225-1240. PMID: 23352932, PMCID: PMC3740545, DOI: 10.1016/j.jmb.2013.01.020.Peer-Reviewed Original Research
2012
Chapter Two Analyzing ATP Utilization by DEAD-Box RNA Helicases Using Kinetic and Equilibrium Methods
Bradley MJ, De La Cruz EM. Chapter Two Analyzing ATP Utilization by DEAD-Box RNA Helicases Using Kinetic and Equilibrium Methods. Methods In Enzymology 2012, 511: 29-63. PMID: 22713314, PMCID: PMC7768905, DOI: 10.1016/b978-0-12-396546-2.00002-4.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateDEAD-box RNA HelicasesKineticsRNA StabilityTemperatureThermodynamicsConceptsDEAD-box RNA helicasesProduct release rate constantsEscherichia coli DbpAATP utilizationSteady-state ATPase activityRNA unwindingRNA helicasesATP bindingPreferred kinetic pathwayDsRNA unwindingConformational rearrangementsATPase activityRNAUnwindingCombination of equilibriumMss116HelicasesDbpAChapter TwoSubstrate propertiesSolution conditionsPathwayBindingKinetic pathwaysRearrangement
2010
Actin filament remodeling by actin depolymerization factor/cofilin
Pfaendtner J, De La Cruz EM, Voth GA. Actin filament remodeling by actin depolymerization factor/cofilin. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 7299-7304. PMID: 20368459, PMCID: PMC2867716, DOI: 10.1073/pnas.0911675107.Peer-Reviewed Original ResearchConceptsActin depolymerization factorSubunit interactionsCofilin bindingActin filamentsADF/cofilinFactor/cofilinLong-pitch helixHelix monomersNeighboring subunitMolecular basisSevering proteinHydrophobic loopConformational dynamicsSubdomain 1Subdomain 2Loop movesTriggers reorganizationCofilinFilament flexibilityFilamentsNative filamentsDNaseFilament contactsAtom simulationsBinding
2005
Thymosin β4 Induces a Conformational Change in Actin Monomers
Dedova IV, Nikolaeva OP, Safer D, De La Cruz EM, dos Remedios CG. Thymosin β4 Induces a Conformational Change in Actin Monomers. Biophysical Journal 2005, 90: 985-992. PMID: 16272441, PMCID: PMC1367123, DOI: 10.1529/biophysj.105.063081.Peer-Reviewed Original ResearchAcrylamideActinsAdenosine TriphosphateAnimalsCalorimetry, Differential ScanningCysteineElectrophoresis, Polyacrylamide GelFluorescence Resonance Energy TransferHot TemperatureKineticsLysineModels, MolecularMolecular ConformationNucleotidesProtein BindingProtein ConformationProtein Structure, TertiaryPurinesRabbitsSolventsSpectrometry, FluorescenceTemperatureThymosin
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 ResearchConceptsFluorescence resonance energy transferAbsence of RNARNA helicaseATP bindingNucleotide bindingConformational rearrangementsResonance energy transferConformational flexibilityDbpADependent conformationStructural rearrangementsDbpA.Protein AUnfavorable entropic contributionNucleotidesPhysiological temperatureBindingAssociation rate constantsADP