title: The search for copper in L-tryptophan 2,3-dioxygenases.
mesh_terms: D001665:Binding Sites; D003300:Copper / Q000032:analysis*; D004578:Electron Spin Resonance Spectroscopy; D006418:Heme / Q000032:analysis; D011485:Protein Binding; D011487:Protein Conformation; D011549:Pseudomonas / Q000201:enzymology; D014366:Tryptophan Oxygenase / Q000378:metabolism
chemical_list: D006418:Heme; D003300:Copper; D014366:Tryptophan Oxygenase