Enhanced Electron Flux and Reduced Calmodulin Dissociation May Explain “Calcium-independent” eNOS Activation by Phosphorylation*
McCabe T, Fulton D, Roman L, Sessa W. Enhanced Electron Flux and Reduced Calmodulin Dissociation May Explain “Calcium-independent” eNOS Activation by Phosphorylation*. Journal Of Biological Chemistry 2000, 275: 6123-6128. PMID: 10692402, DOI: 10.1074/jbc.275.9.6123.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumCalmodulinCattleDimerizationEgtazic AcidElectronsEnzyme ActivationKineticsMutationNADH DehydrogenaseNADPNitric OxideNitric Oxide SynthaseNitric Oxide Synthase Type IIIPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-aktStatic ElectricityConceptsSerine 1179Reductase domainCalmodulin dissociationProtein kinase AktWild-type eNOSBovine endothelial nitric oxide synthaseEndothelial nitric oxide synthaseKinase AktRate-limiting stepReductase activityPhosphorylationENOS activationNOS functionPotential mechanismsAspartateENOS catalytic activityENOS activityCytochrome c reductionAktCalmodulinDomainProteinMutationsProductionActivityEstrogen Stimulates Heat Shock Protein 90 Binding to Endothelial Nitric Oxide Synthase in Human Vascular Endothelial Cells EFFECTS ON CALCIUM SENSITIVITY AND NO RELEASE*
Russell K, Haynes M, Caulin-Glaser T, Rosneck J, Sessa W, Bender J. Estrogen Stimulates Heat Shock Protein 90 Binding to Endothelial Nitric Oxide Synthase in Human Vascular Endothelial Cells EFFECTS ON CALCIUM SENSITIVITY AND NO RELEASE*. Journal Of Biological Chemistry 2000, 275: 5026-5030. PMID: 10671543, DOI: 10.1074/jbc.275.7.5026.Peer-Reviewed Original ResearchConceptsEndothelial nitric oxide synthaseNitric oxide synthaseHuman umbilical vein endothelial cellsENOS activationOxide synthaseEstrogen receptor antagonist ICINO releaseEndothelium-dependent vasodilationReceptor-mediated modulationReceptor antagonist ICINitric oxide releaseUmbilical vein endothelial cellsVein endothelial cellsAntagonist ICIHeat shock protein 90CGMP productionShock protein 90Oxide releaseEndothelial cellsEndothelial cell effectsCalcium sensitivityCalcium dependenceCell effectsEstrogenProtein 90