Enzymatic synthesis of 3-(3-amino-3-carboxypropyl)uridine in Escherichia coli phenylalanine transfer RNA: transfer of the 3-amino-acid-3-carboxypropyl group from S-adenosylmethionine.

Aminobutyrates/metabolism Carbon Radioisotopes Chromatography, DEAE-Cellulose Chromatography, Ion Exchange Chromatography, Thin Layer Escherichia coli/metabolism Hydrogen-Ion Concentration Kinetics Magnesium/pharmacology Mutation Phenylalanine RNA, Bacterial/biosynthesis RNA, Transfer/biosynthesis S-Adenosylmethionine/metabolism Spectrophotometry, Ultraviolet Time Factors Tritium Uridine/metabolism

Aminobutyrates Carbon Radioisotopes RNA, Bacterial Tritium Phenylalanine 3-(3-amino-3-carboxypropyl)uridine S-Adenosylmethionine RNA, Transfer Magnesium Uridine