title: Studies on valyl-tRNA synthetase and tRNA from Escherichia coli. I. Purification and properties of the enzyme from normal Escherichia coli strains.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology; D000255:Adenosine Triphosphate / Q000378:metabolism; D001665:Binding Sites; D004926:Escherichia coli / Q000201:enzymology*; D007106:Immune Sera / Q000494:pharmacology; D007532:Isoleucine; D008025:Ligases / Q000032:analysis*; D008970:Molecular Weight; D012329:RNA, Bacterial / Q000032:analysis*; D012343:RNA, Transfer; D014461:Ultracentrifugation; D014633:Valine / Q000378:metabolism
chemical_list: D000227:Adenine Nucleotides; D007106:Immune Sera; D012329:RNA, Bacterial; D007532:Isoleucine; D000255:Adenosine Triphosphate; D012343:RNA, Transfer; D008025:Ligases; D014633:Valine