title: Modification of tryptophan to oxindolylalanine by dimethyl sulfoxide-hydrochloric acid.
mesh_terms: D000409:Alanine / Q000031:analogs & derivatives*; D004121:Dimethyl Sulfoxide; D006851:Hydrochloric Acid; D009113:Muramidase; D010084:Oxidation-Reduction; D010455:Peptides; D014364:Tryptophan / Q000031:analogs & derivatives
chemical_list: D010455:Peptides; D014364:Tryptophan; D009113:Muramidase; D000409:Alanine; D006851:Hydrochloric Acid; D004121:Dimethyl Sulfoxide