title: Characterization of hexagonal crystal form of an enzyme of steroid metabolism, delta5-3-ketosteroid isomerase: a new method of crystal density measurement.
mesh_terms: D003460:Crystallization; D007535:Isomerases / Q000302:isolation & purification; D046911:Macromolecular Substances; D011487:Protein Conformation; D011549:Pseudomonas / Q000201:enzymology; D013251:Steroid Isomerases / Q000302:isolation & purification; D014961:X-Ray Diffraction
chemical_list: D046911:Macromolecular Substances; D007535:Isomerases; D013251:Steroid Isomerases