Amino Acid SubstitutionMutationPoint MutationAmino Acid SequenceMolecular Sequence DataMutagenesis, Site-DirectedMutation, MissenseProtein Structure, TertiaryAmino AcidsModels, MolecularSequence Homology, Amino AcidCell LineProtein BindingBase SequenceSequence AlignmentBinding SitesSequence Analysis, DNAMutagenesisProtein ConformationRecombinant ProteinsVirulenceEscherichia coliEvolution, MolecularCloning, MolecularSerial PassageKineticsAlanineCodonDNA PrimersPhylogenyPolymerase Chain ReactionAllelesProteinsStructure-Activity RelationshipSelection, GeneticCapsid ProteinsPhenotypeDrug Resistance, ViralDNA Mutational AnalysisGenome, ViralVirus ReplicationViral Nonstructural ProteinsGenetic VariationViral ProteinsFrameshift MutationSubstrate SpecificityProtein Structure, SecondaryHIV-1Polymorphism, GeneticAmino Acid MotifsBacterial ProteinsPlasmidsGerm-Line MutationRecombinant Fusion ProteinsSequence DeletionDNAPedigreeDNA, ComplementaryPeptide FragmentsExonsAmino Acids, EssentialPeptidesIsoleucineTransfectionConserved SequenceAmino Acid Transport SystemsSaccharomyces cerevisiaeRestriction MappingDNA-Binding ProteinsSequence Homology, Nucleic AcidAspartic AcidLeucineGenes, BacterialMutant ProteinsArginineGlycineCOS CellsCarrier ProteinsProlineSpecies SpecificityTranscription FactorsGenetic Complementation TestCricetinaeRNA, MessengerSuppression, GeneticGenesMembrane ProteinsValineTranscription, GeneticHeterozygoteMutation RateLysineSerineGenotypeCercopithecus aethiopsTemperatureEscherichia coli ProteinsElectrophoresis, Polyacrylamide GelCysteinePhenylalanine