title: Chromophoric labels in proteins. I. Optical and luminescent properties of nitrochymotrypsin and nitrochymotrypsinogen.
mesh_terms: D000085:Acetates; D002384:Catalysis; D002918:Chymotrypsin / Q000037:antagonists & inhibitors; D002919:Chymotrypsinogen; D002942:Circular Dichroism; D006863:Hydrogen-Ion Concentration; D008163:Luminescent Measurements; D008433:Mathematics; D009574:Nitro Compounds; D009905:Optical Rotatory Dispersion; D011485:Protein Binding; D011487:Protein Conformation; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D014443:Tyrosine; D014466:Ultraviolet Rays
chemical_list: D000085:Acetates; D009574:Nitro Compounds; D014443:Tyrosine; D002919:Chymotrypsinogen; D002918:Chymotrypsin