RNA, Transfer, SerAnticodonRNA, TransferRNA, Transfer, ArgRNA, Transfer, ThrRNA, Transfer, Amino AcylRNA, Transfer, Amino Acid-SpecificRNA, Transfer, LeuCodonGenetic CodeGuanosineAmino Acyl-tRNA SynthetasesNucleic Acid ConformationBase SequenceProtein BiosynthesisMolecular Sequence DataEscherichia coli