title: Presence of one polypeptide chain in valyl and isoleucyl tRNA synthetases from Escherichia coli.
mesh_terms: D000255:Adenosine Triphosphate; D001665:Binding Sites; D003902:Detergents; D003956:Dialysis; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology; D007532:Isoleucine; D008025:Ligases; D008970:Molecular Weight; D010455:Peptides; D011489:Protein Denaturation; D012343:RNA, Transfer; D013464:Sulfuric Acids; D014508:Urea; D014633:Valine
chemical_list: D003902:Detergents; D010455:Peptides; D013464:Sulfuric Acids; D007532:Isoleucine; D000255:Adenosine Triphosphate; D014508:Urea; D012343:RNA, Transfer; D008025:Ligases; D014633:Valine