Studies on the Escherichia coli Methionine transfer ribonucleic acids.

Carbon Isotopes Chromatography, Ion Exchange Countercurrent Distribution Depression, Chemical Dextrans Electrophoresis Escherichia coli/enzymology Formates Genetic Code Ligases Methionine Methods Molecular Biology Nucleosides/analysis Pancreas/enzymology RNA, Bacterial/analysis,isolation & purification RNA, Transfer/analysis,isolation & purification Ribonucleases Ribosomes/metabolism Spectrum Analysis Thiouracil

Carbon Isotopes Dextrans Formates Nucleosides RNA, Bacterial Thiouracil RNA, Transfer Methionine Ribonucleases Ligases