title: The secondary structure of collagenase.
mesh_terms: D000645:Ammonium Sulfate; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D002942:Circular Dichroism; D003013:Clostridium / Q000201:enzymology*; D003903:Deuterium; D008433:Mathematics; D008567:Membranes, Artificial; D003012:Microbial Collagenase / Q000302:isolation & purification; D009905:Optical Rotatory Dispersion; D011487:Protein Conformation; D013055:Spectrophotometry, Infrared; D014466:Ultraviolet Rays
chemical_list: D008567:Membranes, Artificial; D003903:Deuterium; D003012:Microbial Collagenase; D000645:Ammonium Sulfate