title: The contamination of purified collagenase preparations by clostridiopeptidase B (clostripain): the potential effect of studies utilizing collagenase as a highly specific structural tool.
mesh_terms: D001407:Bacillus / Q000201:enzymology; D055598:Chemical Phenomena; D002621:Chemistry; D010450:Endopeptidases / Q000032:analysis*; D008722:Methods; D003012:Microbial Collagenase / Q000302:isolation & purification*
chemical_list: D010450:Endopeptidases; D003012:Microbial Collagenase