Snake venom serine protease that activates plasminogen. Displays indirect fibrino(geno)lytic activity through conversion of plasminogen to plasmin. Shows a preferential cleavage at Arg-|-Xaa instead of Lys-|-Xaa bonds. Monomer. Expressed by the venom gland. Glycosylated. Belongs to the peptidase S1 family. Snake venom subfamily.