[Mutant tRNA His ineffective in repression and lacking two pseudouridine modifications].

Autoradiography Base Sequence Carbon Isotopes Chromatography Electrophoresis Enzyme Repression Genetic Code Histidine/metabolism Leucine/metabolism Mutation Nucleotides/analysis Operon RNA, Bacterial/analysis RNA, Transfer/analysis Salmonella typhimurium/analysis Tritium

Carbon Isotopes Nucleotides RNA, Bacterial Tritium Histidine RNA, Transfer Leucine