title: 'Collagenase-like peptidase in human, rat and bull spermatozoa.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000645:Ammonium Sulfate; D000818:Animals; D002417:Cattle; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D005306:Fertilization; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D003012:Microbial Collagenase / Q000302:isolation & purification*; D008970:Molecular Weight; D051381:Rats; D012661:Semen / Q000201:enzymology; D013094:Spermatozoa / Q000201:enzymology*; D013737:Testis / Q000201:enzymology
chemical_list: D000596:Amino Acids; D003012:Microbial Collagenase; D000645:Ammonium Sulfate