title: Occurrence of Hyp3-bradykinin in methanol extracts of the skin of the South African leptodactylid frog Heleophryne purcelli.
abstract: Methanol extracts of the skin of the South African amphibians belonging to the genus Heleophryne (H. purcelli purcelli, H. purcelli depressa, H. purcelli orientalis, H. natalensis) contain large amounts (20--500 microgram/g fresh tissue) of Hyp3-bradykinin.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001001:Anura; D001920:Bradykinin / Q000031:analogs & derivatives* / Q000302:isolation & purification; D006909:Hydroxyproline; D012867:Skin / Q000032:analysis*; D013045:Species Specificity
chemical_list: D006909:Hydroxyproline; D001920:Bradykinin