title: Role of the beta-phosphate-gamma-phosphate interchange reaction of adenosine triphosphate in amino acid discrimination by valyl- and methionyl-tRNA synthetases from Escherichia coli.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D011756:Diphosphates / Q000378:metabolism / Q000494:pharmacology; D004926:Escherichia coli / Q000201:enzymology*; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D008718:Methionine-tRNA Ligase / Q000378:metabolism*; D014637:Valine-tRNA Ligase / Q000378:metabolism*
chemical_list: D011756:Diphosphates; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D008718:Methionine-tRNA Ligase; D014637:Valine-tRNA Ligase; D008274:Magnesium