title: Isolation and properties of undermethylated phenylalanine transfer ribonucleic acids from a relaxed mutant of Escherichia coli.
mesh_terms: D002852:Chromatography, Ion Exchange; D004926:Escherichia coli / Q000378:metabolism*; D005827:Genetics, Microbial; D007700:Kinetics; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D009154:Mutation; D010649:Phenylalanine / Q000378:metabolism; D012329:RNA, Bacterial / Q000032:analysis / Q000378:metabolism*; D012343:RNA, Transfer / Q000032:analysis / Q000378:metabolism*
chemical_list: D012329:RNA, Bacterial; D010649:Phenylalanine; D012343:RNA, Transfer; D008715:Methionine