Polymorphism, GeneticPolymorphism, Single NucleotideMolecular Sequence DataSequence Analysis, DNAProtein ConformationAmino Acid SequenceBase SequenceModels, MolecularAllelesGenetic Predisposition to DiseaseGene FrequencyPolymerase Chain ReactionPhylogenyPolymorphism, Single-Stranded ConformationalSequence AnalysisHaplotypesCloning, MolecularGenotypeMutationBinding SitesCase-Control StudiesProtein BindingGenetic VariationProtein Structure, TertiaryProtein Structure, SecondaryDNA, BacterialDNASequence Homology, Amino AcidSequence AlignmentCrystallography, X-RayCircular DichroismMolecular ConformationKineticsSequence Homology, Nucleic AcidRNA, Ribosomal, 16SThermodynamicsGenetic Association StudiesDNA, RibosomalLinkage DisequilibriumAsian Continental Ancestry GroupEscherichia coliBacterial ProteinsDNA PrimersPhenotypeSpectrometry, FluorescenceAmino Acid SubstitutionNucleic Acid ConformationProtein FoldingDNA Mutational AnalysisChromosome MappingSpecies SpecificityGenes, BacterialPromoter Regions, GeneticExonsMagnetic Resonance SpectroscopyGenetic MarkersMolecular Dynamics SimulationHomozygoteRecombinant ProteinsStructure-Activity RelationshipTemperatureRestriction MappingHydrogen-Ion ConcentrationLigandsNuclear Magnetic Resonance, BiomolecularPoint MutationChinaProtein DenaturationModels, ChemicalMutagenesis, Site-DirectedPeptide FragmentsProteinsBase CompositionRisk FactorsBacterial Typing TechniquesCattleNucleic Acid HybridizationIntronsHeterozygoteComputer SimulationAmplified Fragment Length Polymorphism AnalysisCodonSequence Analysis, ProteinHydrogen BondingPeptidesOpen Reading FramesEvolution, MolecularEuropean Continental Ancestry GroupMethylenetetrahydrofolate Reductase (NADPH2)Electrophoresis, Polyacrylamide GelDNA, ComplementaryProtein Structure, QuaternaryGenes, rRNAPlasmidsGenetic LinkageSubstrate SpecificityMutation, MissenseMultigene FamilyDimerizationCell Line