title: A colorimetric procedure for the quantitative determination of tryptophan residues in proteins.
mesh_terms: D001965:Bromides; D002850:Chromatography, Gel; D002918:Chymotrypsin; D003124:Colorimetry; D004792:Enzyme Precursors; D005288:Ferredoxins; D005934:Glucagon; D009113:Muramidase; D011506:Proteins / Q000032:analysis*; D012260:Ribonucleases; D014027:Tobacco Mosaic Virus; D014357:Trypsin; D014364:Tryptophan / Q000032:analysis*; D014764:Viral Proteins
chemical_list: D001965:Bromides; D004792:Enzyme Precursors; D005288:Ferredoxins; D011506:Proteins; D014764:Viral Proteins; D014364:Tryptophan; D005934:Glucagon; D012260:Ribonucleases; D009113:Muramidase; D002918:Chymotrypsin; D014357:Trypsin