RNA NucleotidyltransferasesNucleotidyltransferasesDNA-Directed DNA PolymerasePolynucleotide AdenylyltransferaseDNA NucleotidyltransferasesMolecular Sequence DataAmino Acid SequenceProtein BiosynthesisProtein Synthesis InhibitorsStereoisomerismKineticsRNA, MessengerMolecular StructureCells, CulturedEscherichia coliCycloheximideDNA