Protein ConformationL-Lactate DehydrogenaseAspartate AminotransferasesModels, MolecularMolecular Sequence DataAmino Acid SequenceMolecular ConformationCrystallography, X-RayProtein Structure, SecondaryCircular DichroismBinding SitesMagnetic Resonance SpectroscopyProtein BindingProtein Structure, TertiaryThermodynamicsProtein FoldingHydrogen BondingSolutionsStructure-Activity RelationshipKineticsNuclear Magnetic Resonance, BiomolecularPolymorphism, Single-Stranded ConformationalMutationModels, ChemicalMolecular Dynamics SimulationLigandsSpectrometry, FluorescenceProtein Structure, QuaternaryPeptidesCarbohydrate ConformationProtein DenaturationX-Ray DiffractionTemperatureHydrogen-Ion ConcentrationDNAEscherichia coliComputer SimulationMolecular StructureMutagenesis, Site-DirectedDimerizationCatalytic DomainRecombinant ProteinsCrystallographyAmino Acid SubstitutionPeptide FragmentsProteinsSpectrophotometry, UltravioletWaterPolydeoxyribonucleotidesStatic ElectricitySolventsProtein MultimerizationTryptophanSpectrum Analysis, RamanCatalysisSubstrate SpecificityHydrophobic and Hydrophilic InteractionsDisulfidesCrystallizationBacterial ProteinsAllosteric RegulationSequence Homology, Amino AcidTrifluoroethanolAdenosine TriphosphateSpectroscopy, Fourier Transform InfraredCysteineScattering, Small AngleCattleMagnesiumHydrolysisPoint MutationMacromolecular SubstancesStereoisomerismProtein StabilityBiophysicsModels, StructuralAmino Acid MotifsProtonsFluorescence Resonance Energy TransferBiophysical PhenomenaSpectrophotometry, InfraredStructural Homology, ProteinEscherichia coli ProteinsSequence AlignmentCell LineLipid BilayersOligodeoxyribonucleotidesChemistry, PhysicalAllosteric SiteCalorimetryMutant ProteinsProlineBase PairingTrypsinApoproteinsIsomerismElectrophoresis, Polyacrylamide GelPhysicochemical PhenomenaNucleic Acid DenaturationModels, Biological