A method for locating 4-thiouridylate in the primary structure of transfer ribonucleic acids.

Carbon Isotopes Cellulose Chemical Phenomena Chemistry Chromatography, Gel Chromatography, Ion Exchange Chromatography, Paper Cytosine Nucleotides Dextrans Drug Stability Electrophoresis Escherichia coli/analysis Hydrogen-Ion Concentration Kinetics Methods RNA, Bacterial/analysis RNA, Transfer/analysis Ribonucleases Spectrophotometry Ultraviolet Rays Uracil Nucleotides/analysis Valine

Carbon Isotopes Cytosine Nucleotides Dextrans RNA, Bacterial Uracil Nucleotides Cellulose RNA, Transfer Ribonucleases Valine