Cultural EvolutionBiological EvolutionModels, TheoreticalEvolution, MolecularPhylogenyMolecular Sequence DataModels, BiologicalDirected Molecular EvolutionBase SequenceAmino Acid SequenceProtein BiosynthesisMutationKineticsMolecular StructureRNA, MessengerSelection, GeneticDNAEscherichia coliSpecies SpecificityModels, GeneticStereoisomerismCells, CulturedCell LineBiological ProductsSequence Analysis, DNAProtein Synthesis InhibitorsTime FactorsSequence AlignmentGenetic VariationTranscription, GeneticBacterial ProteinsProteinsStructure-Activity RelationshipAdaptation, BiologicalDNA ReplicationRNAModels, MolecularMultigene FamilyCycloheximideSequence Homology, Amino AcidCyclization