Snake venom zinc metalloprotease that possesses high hemorrhagic activity. It inhibits collagen-induced platelet aggregation and activates prothrombin (F2). Binds 1 zinc ion per subunit. Monomer. Expressed by the venom gland. Belongs to the venom metalloproteinase (M12B) family. P-III subfamily. P-IIIa sub-subfamily. May be linked to snaclec alpha and beta subunits, thus forming a metalloproteinase from the P-IIId sub-subfamily.