title: X-ray enzymology.
mesh_terms: D000818:Animals; D001665:Binding Sites; D005075:Biological Evolution; D004355:Drug Stability; D004798:Enzymes / Q000378:metabolism; D046911:Macromolecular Substances; D011485:Protein Binding; D011487:Protein Conformation; D014961:X-Ray Diffraction
chemical_list: D004798:Enzymes; D046911:Macromolecular Substances