title: The tryptophanase from Escherichia coli K-12. I. Purification, physical properties, and quaternary structure.
mesh_terms: D000645:Ammonium Sulfate; D001894:Borohydrides; D002501:Centrifugation, Zonal; D011232:Chemical Precipitation; D003902:Detergents; D004589:Electrophoresis, Disc; D004926:Escherichia coli / Q000201:enzymology*; D005612:Freeze Drying; D006836:Hydro-Lyases / Q000302:isolation & purification; D046911:Macromolecular Substances; D008970:Molecular Weight; D010396:Penicillamine; D011485:Protein Binding; D011732:Pyridoxal Phosphate; D013464:Sulfuric Acids; D014364:Tryptophan; D014461:Ultracentrifugation
chemical_list: D001894:Borohydrides; D003902:Detergents; D046911:Macromolecular Substances; D013464:Sulfuric Acids; D011732:Pyridoxal Phosphate; D014364:Tryptophan; D006836:Hydro-Lyases; D010396:Penicillamine; D000645:Ammonium Sulfate