Peptide Chain Termination, TranslationalGenetic CodePeptidesPeptide Termination FactorsBase SequenceAmino Acid SequenceMolecular Sequence DataPeptide BiosynthesisDeoxycytosine NucleotidesPeptide Chain Elongation, TranslationalEscherichia coliTerminator Regions, GeneticDideoxynucleotidesPeptide FragmentsCodonRibosomesKineticsProtein BiosynthesisCloning, MolecularRNA, TransferPolymerase Chain ReactionMutationThymine NucleotidesPolynucleotidesRNA, MessengerOligopeptidesTemplates, GeneticDeoxyadenine NucleotidesAmino AcidsMethionineZalcitabineCodon, TerminatorPeptide LibraryTranscription, Genetic