GuanidineGuanidinesProtein DenaturationMethylguanidineHistamine ReleaseCircular DichroismKineticsCalciumSpectrometry, FluorescenceProtein FoldingUreaProtein ConformationHydrogen-Ion ConcentrationMolecular WeightAmino AcidsChromatography, GelCells, CulturedDelayed-Action PreparationsElectrophoresis, Polyacrylamide GelThermodynamicsTemperatureCattleDose-Response Relationship, DrugRabbitsAnilino NaphthalenesulfonatesRyanodine Receptor Calcium Release ChannelMolecular Sequence DataAmino Acid SequenceTime FactorsMacromolecular SubstancesNeurotransmitter AgentsEnzyme StabilitySpectrophotometry, UltravioletPoliovirusSolubilityRecombinant ProteinsRats, Sprague-DawleyProtein BindingEscherichia coliHot TemperatureVirus ReleaseCell LineBinding SitesAdenosine TriphosphateReceptors, sigmaProtein RenaturationSynaptic TransmissionNorepinephrineDrug StabilityRats, WistarCytochrome c GroupUltracentrifugationSodium Dodecyl SulfateModels, MolecularEnzyme ReactivatorsPeptidesMolecular StructureL-Lactate DehydrogenaseCytochromes cDisulfidesGuinea PigsTryptophanNeuromuscular JunctionRibonuclease, PancreaticAcetylcholineCalcium SignalingPeptide FragmentsProteoglycansChromatography, High Pressure LiquidElectric StimulationThiocyanatesProtein Structure, SecondaryHistamine AgonistsMicroscopy, ElectronTritiumOsmolar ConcentrationMembrane PotentialsStructure-Activity RelationshipArginineCalcium ChannelsExocytosisNatal TeethSulfhydryl CompoundsSarcoplasmic ReticulumGlutamic AcidCarrier ProteinsCell MembraneArginine KinaseEnzyme InhibitorsPresynaptic TerminalsPeptide Termination FactorsNeuronsPotassiumEnzyme ActivationEchovirus 9MusclesDopamineFluorescent DyesProtein Structure, TertiaryDithionitrobenzoic Acid