title: Tryptophanyl-tRNA synthetase: evidence for an anhydrous bond involved in the tryptophanyl enzyme formation.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000604:Amino Acyl-tRNA Synthetases / Q000378:metabolism*; D000812:Anhydrides; D000818:Animals; D002417:Cattle; D011756:Diphosphates / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D010179:Pancreas / Q000201:enzymology; D012346:RNA, Transfer, Amino Acyl / Q000096:biosynthesis; D013816:Thermodynamics; D014364:Tryptophan / Q000378:metabolism; D014369:Tryptophan-tRNA Ligase / Q000378:metabolism*
chemical_list: D000812:Anhydrides; D011756:Diphosphates; D012346:RNA, Transfer, Amino Acyl; D014364:Tryptophan; D000255:Adenosine Triphosphate; D000604:Amino Acyl-tRNA Synthetases; D014369:Tryptophan-tRNA Ligase