ElastinHydrolysisTropoelastinDesmosineElastic TissueIsodesmosinePancreatic ElastaseKineticsProtein-Lysine 6-OxidaseAdenosine TriphosphateLigamentsCollagenAortic Stenosis, SupravalvularSubstrate SpecificityCutis LaxaAortaAdenosine TriphosphatasesMolecular Sequence DataHydrogen-Ion ConcentrationPhosphatidylinositolsAmino Acid SequenceMatrix Metalloproteinase 12ElasticityWilliams SyndromeGuanosine TriphosphateCattleBinding SitesCatalysisEstersExtracellular MatrixConnective TissueAminopropionitrileEscherichia coliMicrofibrilsCells, CulturedAdenosine DiphosphateCarboxylic Ester HydrolasesProtein BindingChromatography, High Pressure LiquidFibroblastsSodium HydroxideModels, MolecularRecombinant ProteinsAmino AcidsSwine