title: Substrate specificity of the enzyme tonin: cleavage of substance P.
mesh_terms: D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000201:enzymology; D007703:Peptidyl-Dipeptidase A / Q000378:metabolism*; D010649:Phenylalanine; D051381:Rats; D013363:Submandibular Gland / Q000201:enzymology*; D013373:Substance P; D013379:Substrate Specificity; D014661:Vasoconstriction
chemical_list: D013373:Substance P; D010649:Phenylalanine; D007703:Peptidyl-Dipeptidase A