Polymorphism, GeneticPolymorphism, Single NucleotideProtein ConformationModels, MolecularMolecular Sequence DataCrystallography, X-RayAmino Acid SequenceProtein Structure, SecondaryAllelesGenetic Predisposition to DiseaseGene FrequencyBase SequenceProtein Structure, TertiaryBinding SitesMolecular ConformationProtein BindingCircular DichroismX-Ray DiffractionNucleic Acid ConformationHaplotypesGenetic VariationPolymorphism, Single-Stranded ConformationalCrystallizationMutationGenotypeHydrogen BondingCase-Control StudiesPolymerase Chain ReactionMagnetic Resonance SpectroscopyThermodynamicsProtein FoldingSequence AlignmentMolecular StructureLinkage DisequilibriumKineticsNuclear Magnetic Resonance, BiomolecularSequence Analysis, DNAStructural Homology, ProteinPhylogenySequence Homology, Amino AcidStructure-Activity RelationshipProtein Structure, QuaternaryCatalytic DomainEscherichia coliAmplified Fragment Length Polymorphism AnalysisLigandsAmino Acid SubstitutionGenetic Association StudiesDNAModels, ChemicalMolecular Dynamics SimulationProteinsMutagenesis, Site-DirectedAsian Continental Ancestry GroupComputer SimulationRecombinant ProteinsMicrosatellite RepeatsSpectrometry, FluorescenceBacterial ProteinsGenetic MarkersSolutionsSoftwareCrystallographyHydrogen-Ion ConcentrationTemperatureGenetics, PopulationDNA PrimersCatalysisPeptidesPhenotypeCloning, MolecularAlgorithmsSubstrate SpecificitySpectroscopy, Fourier Transform InfraredChinaChromosome MappingEvolution, MolecularWaterComputational BiologySolventsHomozygoteCattleSpecies SpecificityProtein DenaturationRNAHydrophobic and Hydrophilic InteractionsPeptide FragmentsHydrolysisRisk FactorsIntronsEscherichia coli ProteinsFourier AnalysisAmino Acid MotifsAspartate Aminotransferase, MitochondrialConserved SequenceEnzyme StabilityModels, GeneticMethylenetetrahydrofolate Reductase (NADPH2)European Continental Ancestry GroupElectrophoresis, Polyacrylamide Gel