title: Breakdown of somatostatin and substance P by cathepsin D purified from calf brain by affinity chromatography.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001923:Brain Chemistry; D002403:Cathepsins / Q000302:isolation & purification / Q000494:pharmacology*; D002417:Cattle; D002846:Chromatography, Affinity / Q000379:methods; D010434:Pepsin A / Q000494:pharmacology; D013004:Somatostatin / Q000378:metabolism*; D013373:Substance P / Q000378:metabolism*
chemical_list: D013373:Substance P; D013004:Somatostatin; D002403:Cathepsins; D010434:Pepsin A