title: Circular dichroism of helical and nonhelical proteins. A review of the limits of the methods for calculating secondary structure.
mesh_terms: D007611:Aprotinin / Q000032:analysis; D002942:Circular Dichroism; D011487:Protein Conformation; D013057:Spectrum Analysis; D014357:Trypsin / Q000032:analysis; D014961:X-Ray Diffraction
chemical_list: D007611:Aprotinin; D014357:Trypsin