EnzymesBiocatalysisCatalysisMethylmalonate-Semialdehyde Dehydrogenase (Acylating)DithioerythritolSubstrate SpecificityKineticsBiosynthetic PathwaysModels, MolecularAcyltransferasesS-AdenosylmethionineModels, ChemicalMolecular Sequence DataPyridoxal PhosphateAmino Acid SequenceOxidation-ReductionCatalytic DomainMolecular StructureAcyl Coenzyme AIron-Sulfur ProteinsOxidoreductasesBinding SitesHydrogen-Ion ConcentrationFree RadicalsProtein ConformationCrystallography, X-RayHydrolysisEscherichia coliProtein Structure, TertiarySequence Homology, Amino AcidBacterial ProteinsSpectrophotometryStructure-Activity RelationshipModels, BiologicalEnzyme InhibitorsCloning, MolecularPhylogenySequence AlignmentBacteriaMagnesiumAdenosine TriphosphateRecombinant ProteinsProtein BindingEnzyme ActivationMolecular WeightMutationBase Sequence