title: Cation requirements of isoleucyl-tRNA synthetase from Escherichia coli.
mesh_terms: D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases / Q000032:analysis; D002247:Carbon Isotopes; D002384:Catalysis; D011756:Diphosphates; D004789:Enzyme Activation; D004926:Escherichia coli / Q000201:enzymology*; D005682:Gadolinium; D007532:Isoleucine; D008274:Magnesium / Q000032:analysis; D008670:Metals; D009354:Neodymium; D010759:Phosphorus Isotopes; D011189:Potassium Chloride; D012343:RNA, Transfer / Q000032:analysis; D013095:Spermidine
chemical_list: D002247:Carbon Isotopes; D011756:Diphosphates; D008670:Metals; D010759:Phosphorus Isotopes; D007532:Isoleucine; D009354:Neodymium; D011189:Potassium Chloride; D000255:Adenosine Triphosphate; D012343:RNA, Transfer; D005682:Gadolinium; D000604:Amino Acyl-tRNA Synthetases; D008274:Magnesium; D013095:Spermidine