Snake venom serine protease that cleaves fibrinogen alpha and beta chains (FGA and FGB), but not gamma chains. Exhibits fibrinolytic and kininogenolytic. Preferentially cleaves after Arg and Lys residues. Inhibited by PMSF. Not inhibited by benzamidine. Optimum pH is 7.4. Optimum temperature is 37 degrees Celsius. Expressed by the venom gland. Glycosylated. Does not have clotting activities. Does not stimulate platelet aggregation. Does not act on plasminogen (PubMed:20300193). Belongs to the peptidase S1 family. Snake venom subfamily.