title: Kinetics of pyrophosphate-ATP exchange catalysed by L-tryptophan: tRNA ligase from Escherichia coli.
mesh_terms: D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D000818:Animals; D001665:Binding Sites; D002848:Chromatography, DEAE-Cellulose; D002852:Chromatography, Ion Exchange; D011756:Diphosphates; D004357:Drug Synergism; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000201:enzymology*; D007532:Isoleucine; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D008433:Mathematics; D009154:Mutation; D010179:Pancreas / Q000201:enzymology; D010649:Phenylalanine; D010761:Phosphorus Radioisotopes; D011485:Protein Binding; D013045:Species Specificity; D014364:Tryptophan; D014462:Ultrafiltration
chemical_list: D011756:Diphosphates; D010761:Phosphorus Radioisotopes; D007532:Isoleucine; D010649:Phenylalanine; D014364:Tryptophan; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D008274:Magnesium