Strongly inhibits the collagen-induced human platelet aggregation. Hydrolyzes the Aalpha-chain of fibrinogen (FGA), without cleavage of Bbeta- and gamma-chains. Induces apoptosis and strongly inhibits proliferation of endothelial cells as well as adhesion of the cells to extracellular matrix proteins (By similarity). Binds 1 zinc ion per subunit. Inhibited by EDTA and EGTA. Not inhibited by PMSF, antipain, pepstatin, and iodoacetamide (By similarity). Homodimer; disulfide-linked. Expressed by the venom gland. Belongs to the venom metalloproteinase (M12B) family. P-III subfamily. P-IIIc sub-subfamily.