title: Tyrosine and tryptophan contents in heavy meromyosin and subfragment-1.
mesh_terms: D008722:Methods; D009124:Muscle Proteins / Q000032:analysis*; D013053:Spectrophotometry; D014364:Tryptophan / Q000032:analysis*; D014443:Tyrosine / Q000032:analysis*
chemical_list: D009124:Muscle Proteins; D014443:Tyrosine; D014364:Tryptophan