Snake venom serine protease with strong beta-fibrinogenolytic activities, angiotensin I (AGT)-degrading activities and strong kallikrein-like activities in vitro, releasing bradykinin from kininogen (KNG1). Intravenous injection mildly lowers blood pressure in experimental rats, which may be explained by the action on angiotensin I and kininogen. Exhibits amidase activity against N-benzoyl-Pro-Phe-Arg-p-nitroanilide in vitro (PubMed:10973823). Heat-stable to about 95 degrees Celsius. Monomer. Expressed by the venom gland. Does not have activity on gamma-chains of fibrinogen (FGG) (PubMed:7811255), and does not coagulate human plasma. Does not induce or inhibit platelet aggregation (PubMed:11237764). Belongs to the peptidase S1 family. Snake venom subfamily. The correspondence between the sequence (indicated in PubMed:7811255) and the function (from PubMed:11237764) has not been clearly demonstrated.