title: An active proteolytic derivative of the alpha subunit of tryptophan synthase. Identification of the site of cleavage and characterization of the fragments.
mesh_terms: D002942:Circular Dichroism; D004926:Escherichia coli / Q000201:enzymology; D046911:Macromolecular Substances; D010446:Peptide Fragments / Q000378:metabolism; D011487:Protein Conformation; D014357:Trypsin; D014367:Tryptophan Synthase / Q000378:metabolism
chemical_list: D046911:Macromolecular Substances; D010446:Peptide Fragments; D014357:Trypsin; D014367:Tryptophan Synthase