PectinsPolygalacturonaseAmino Acid SequenceMolecular Sequence DataCarboxylic Ester HydrolasesModels, MolecularBinding SitesMutagenesis, Site-DirectedPolysaccharide-LyasesProtein ConformationSequence Homology, Amino AcidCelluloseProtein Structure, TertiaryBase SequenceCell WallProtein BindingDietary FiberProtein Structure, SecondaryMutationKineticsStructure-Activity RelationshipSequence AlignmentAmino Acid SubstitutionSubstrate SpecificityCysteineUronic AcidsEscherichia coliCloning, MolecularRecombinant ProteinsAmino AcidsDrug ResiduesEsterificationCrystallography, X-RayGalactansPeptide FragmentsHydrogen-Ion ConcentrationPesticide ResiduesPolysaccharidesHistidineLysineMagnetic Resonance SpectroscopyPeptidesCatalysisXylansConserved SequenceBacterial ProteinsCatalytic DomainPectobacterium chrysanthemiPlant GumsCircular DichroismHexuronic AcidsPlant ProteinsPsylliumAspergillus nigerCitrusAlanine