title: Tryptophanyl-tRNA synthetase: pyrophosphorylation of the enzyme in the course of adenylate formation?
mesh_terms: D000249:Adenosine Monophosphate / Q000378:metabolism*; D000255:Adenosine Triphosphate / Q000378:metabolism; D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D011756:Diphosphates / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology; D010761:Phosphorus Radioisotopes; D010766:Phosphorylation; D014364:Tryptophan / Q000378:metabolism; D014369:Tryptophan-tRNA Ligase / Q000378:metabolism*
chemical_list: D011756:Diphosphates; D010761:Phosphorus Radioisotopes; D000249:Adenosine Monophosphate; D014364:Tryptophan; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D014369:Tryptophan-tRNA Ligase; D008274:Magnesium