Calcium SignalingCrystallography, X-RayCalcium ChannelsCrystallizationCalcium, DietaryModels, MolecularCalcium CarbonateCalcium PhosphatesLiquid CrystalsCalcium OxalateCalcium IsotopesCalcium ChlorideProtein ConformationCrystallographyMolecular Sequence DataBinding SitesProtein Structure, TertiaryAmino Acid SequenceCalcium Channels, L-TypeCalcium GluconateCalcium RadioisotopesProtein Structure, SecondaryCalcium PyrophosphateProtein BindingCalcium CompoundsProtein Structure, QuaternaryCalcium Channels, N-TypeEgtazic AcidCatalytic DomainKineticsHydrogen BondingCalcium Channel AgonistsSequence Homology, Amino AcidDimerizationMagnesiumCalcium SulfateCalcimycinPhosphorusKidney CalculiCalcium HydroxideBacterial ProteinsNifedipineSequence AlignmentCells, CulturedStructural Homology, ProteinMembrane PotentialsParathyroid HormoneChelating AgentsMolecular ConformationMolecular StructureRecombinant ProteinsFura-2Structure-Activity RelationshipCalcium-Binding ProteinsCalcium CitrateTime FactorsRyanodine Receptor Calcium Release ChannelThapsigarginHydrogen-Ion ConcentrationS100 Calcium Binding Protein GCalcium Metabolism DisordersSubstrate SpecificityAdenosine TriphosphateChondrocalcinosisVerapamilEscherichia coliCatalysisQuartz Crystal Microbalance TechniquesLigandsCytosolMutationStatic ElectricityDose-Response Relationship, DrugDihydropyridinesRabbitsProtein MultimerizationPotassiumProtein FoldingPatch-Clamp TechniquesMutagenesis, Site-DirectedCalmodulinLanthanumStrontiumCalcium Channels, P-TypeFluorescent DyesDiltiazemWaterApatitesAequorinIntracellular FluidNeuronsSodiumSignal TransductionCell LineHypocalcemiaModels, ChemicalDurapatiteIonophoresBone and BonesReceptors, Calcium-Sensing