title: Purification and the peptide nature of decapacitation factor.
mesh_terms: D000577:Amides; D000818:Animals; D001120:Arginine; D001224:Aspartic Acid; D002268:Carboxypeptidases; D002417:Cattle; D002482:Cellulose; D055598:Chemical Phenomena; D002621:Chemistry; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002918:Chymotrypsin; D003270:Contraceptive Agents / Q000302:isolation & purification*; D006639:Histidine; D006868:Hydrolysis; D008297:Male; D008722:Methods; D010455:Peptides / Q000302:isolation & purification*; D011402:Pronase; D012116:Resins, Plant; D012661:Semen; D014357:Trypsin; D014461:Ultracentrifugation
chemical_list: D000577:Amides; D003270:Contraceptive Agents; D010455:Peptides; D012116:Resins, Plant; D001224:Aspartic Acid; D006639:Histidine; D002482:Cellulose; D001120:Arginine; D002268:Carboxypeptidases; D002918:Chymotrypsin; D014357:Trypsin; D011402:Pronase