2000
Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains
Csanády L, Chan K, Seto-Young D, Kopsco D, Nairn A, Gadsby D. Severed Channels Probe Regulation of Gating of Cystic Fibrosis Transmembrane Conductance Regulator by Its Cytoplasmic Domains. The Journal Of General Physiology 2000, 116: 477-500. PMID: 10962022, PMCID: PMC2233695, DOI: 10.1085/jgp.116.3.477.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAdenylyl ImidodiphosphateAnimalsBase SequenceCyclic AMP-Dependent Protein KinasesCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorDNA PrimersFemaleHumansIn Vitro TechniquesIon Channel GatingModels, BiologicalMutationOocytesPhosphorylationProtein Structure, TertiaryRecombinant ProteinsXenopusConceptsR domainCFTR channelsPhosphorylated R domainWild-type CFTR channelsCytoplasmic regulatory domainCystic fibrosis transmembrane conductance regulatorNucleotide Binding DomainFibrosis transmembrane conductance regulatorDetailed functional characteristicsWT channelsApparent ATP affinityTransmembrane conductance regulatorCFTR Cl- channelPresence of PKANonhydrolyzable ATP analogue AMPPNPATP analogue AMPPNPATP bindingRegulatory domainCytoplasmic domainWt-CFTRBinding domainsGating eventsConductance regulatorATP affinityFunctional interactionSevered Molecules Functionally Define the Boundaries of the Cystic Fibrosis Transmembrane Conductance Regulator's Nh2-Terminal Nucleotide Binding Domain
Chan K, Csanády L, Seto-Young D, Nairn A, Gadsby D. Severed Molecules Functionally Define the Boundaries of the Cystic Fibrosis Transmembrane Conductance Regulator's Nh2-Terminal Nucleotide Binding Domain. The Journal Of General Physiology 2000, 116: 163-180. PMID: 10919864, PMCID: PMC2229491, DOI: 10.1085/jgp.116.2.163.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine MonophosphateAnimalsCystic Fibrosis Transmembrane Conductance RegulatorEndoplasmic ReticulumEpitopesFemaleGene DeletionGene ExpressionIon Channel GatingKineticsMembrane PotentialsMolecular Sequence DataMutagenesisOligopeptidesOocytesPatch-Clamp TechniquesPeptide FragmentsPeptidesPrecipitin TestsProtein BindingProtein Structure, TertiarySequence Homology, Amino AcidTransfectionXenopus laevisConceptsR domainCFTR channelsCOOH terminusMature formFull-length CFTRCystic fibrosis transmembrane conductance regulatorAmino acids 590Nucleotide Binding DomainFibrosis transmembrane conductance regulatorExcised patch recordingsChannel activityFamily of ATPRequirement of phosphorylationCFTR channel activityTransmembrane conductance regulatorNBD1 domainSmaller single-channel conductanceCFTR polypeptideTransmembrane domainATP bindingRegulatory domainCassette proteinNBD structuresNBD1Binding domains
1999
Control of CFTR Channel Gating by Phosphorylation and Nucleotide Hydrolysis
GADSBY D, NAIRN A. Control of CFTR Channel Gating by Phosphorylation and Nucleotide Hydrolysis. Physiological Reviews 1999, 79: s77-s107. PMID: 9922377, DOI: 10.1152/physrev.1999.79.1.s77.Peer-Reviewed Original ResearchConceptsNucleotide-binding domainCFTR channelsCytoplasmic nucleotide-binding domainsNucleotide hydrolysisChannel gatingDependent phosphorylation eventsCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelCFTR channel currentsCFTR channel gatingATP moleculesLarge cytoplasmic domainCommon lethal genetic diseaseSecond ATP moleculeSingle CFTR channelsATP hydrolysis cycleLethal genetic diseasePhosphorylation eventsGating cycleRegulatory domainCytoplasmic domainDifferent phosphoformsProgressive phosphorylationMultiple proteinsProtein productsHydrolysis cycle
1998
ATP hydrolysis cycles and the gating of CFTR Cl- channels.
Gadsby D, Dousmanis A, Nairn A. ATP hydrolysis cycles and the gating of CFTR Cl- channels. Acta Physiologica Scandinavica. Supplementum 1998, 643: 247-56. PMID: 9789567.Peer-Reviewed Original ResearchConceptsC-terminal nucleotideCFTR channelsAMP-PNPG proteinsN-terminal nucleotideCentral regulatory domainMore serine residuesProtein kinase ACFTR Cl- channelHydrolysis of ATPATP hydrolysis cycleCl- channelsGating cycleRegulatory domainCytoplasmic domainTight bindingSerine residuesHydrolyse ATPSecond ATPSequence homologyTransport proteinsKinase AOpen conformationAnalogues of ATPFunctional similarityCharacterization of the Mechanism of Regulation of Ca2+/ Calmodulin-dependent Protein Kinase I by Calmodulin and by Ca2+/Calmodulin-dependent Protein Kinase Kinase*
Matsushita M, Nairn A. Characterization of the Mechanism of Regulation of Ca2+/ Calmodulin-dependent Protein Kinase I by Calmodulin and by Ca2+/Calmodulin-dependent Protein Kinase Kinase*. Journal Of Biological Chemistry 1998, 273: 21473-21481. PMID: 9705275, DOI: 10.1074/jbc.273.34.21473.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCalcium-Calmodulin-Dependent Protein Kinase KinaseCalcium-Calmodulin-Dependent Protein Kinase Type 1Calcium-Calmodulin-Dependent Protein Kinase Type 4Calcium-Calmodulin-Dependent Protein KinasesCalmodulinCloning, MolecularEnzyme ActivationKineticsMolecular Sequence DataPhosphorylationProtein Serine-Threonine KinasesRatsConceptsProtein kinase IAbsence of CaMKinase ICalmodulin-dependent protein kinase IDetailed structure-function analysisDependent protein kinase IDependent protein kinase kinaseProtein kinase kinaseStructure-function analysisMechanism of regulationSpecific amino acidsEnzyme activityKinase kinaseAutoinhibited stateRegulatory domainCatalytic coreCaMKIMutant formsBasal enzyme activitySecond enzymeCaMKKAmino acidsAdditional mutationsMutationsActive form
1996
Structure, Regulation, and Function of Calcium/Calmodulin-Dependent Protein Kinase I
Picciotto M, Nastiuk K, Nairn A. Structure, Regulation, and Function of Calcium/Calmodulin-Dependent Protein Kinase I. Advances In Pharmacology 1996, 36: 251-275. PMID: 8783563, DOI: 10.1016/s1054-3589(08)60585-2.Peer-Reviewed Original ResearchConceptsProtein kinaseProtein kinase CMyosin light chain kinaseKinase ICaM kinaseSecond messenger-regulated protein kinasesCalmodulin-dependent protein kinase ICalcium/calmodulin-dependent protein kinase ICAMP-dependent protein kinaseSpecific subcellular locationsMultifunctional protein kinaseTerminal regulatory domainDependent protein kinaseCaM kinase familyClass of enzymesProtein kinase ICaM kinase IAmino acid residuesMyosin P-light chainDomain bindsAutoinhibitory mechanismRegulatory domainKinase familyProtein phosphorylationLight chain kinase
1994
Regulation of CFTR channel gating
Gadsby D, Nairn A. Regulation of CFTR channel gating. Trends In Biochemical Sciences 1994, 19: 513-518. PMID: 7531880, DOI: 10.1016/0968-0004(94)90141-4.Peer-Reviewed Original ResearchConceptsChannel gatingCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelAMP-dependent protein kinaseCFTR channel gatingReceptor-mediated activationRegulatory domainProtein kinaseATP hydrolysisCFTR channelsCl- channelsEpithelial cellsChannel openingComplex mechanismsCellsRecent advancesKinaseGenesPhosphorylationSerineGatingCFTRMutationsRegulationStemActivation