Thrombin-like snake venom serine protease that preferentially cleaves the alpha-chain of fibrinogen (FGA). Induce platelet aggregation in the presence of exogenous fibrinogen. Possesses esterase and amidolytic activities. Inhibited by PMSF. Monomer. Expressed by the venom gland. Belongs to the peptidase S1 family. Snake venom subfamily.